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Finding the Fourth Proportional to 588,985.20, 883,477.80 and 423,097.20

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Solution

The fourth proportional to 588,985.20, 883,477.80 and 423,097.20 is: 634,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,985.20 : 883,477.80 = 423,097.20 : x
  2. Step 2: Convert to fraction form
    588,985.20/883,477.80 = 423,097.20/x
  3. Step 3: Cross multiply
    588,985.20x = 883,477.80 × 423,097.20
  4. Step 4: Simplify right side
    588,985.20x = 373,796,983,442.16
  5. Step 5: Solve for x
    x = 373,796,983,442.16/588,985.20
  6. Step 6: Final answer
    x = 634,645.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.