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Finding the Fourth Proportional to 566,572.40, 848,951.40 and 299,985.20

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Solution

The fourth proportional to 566,572.40, 848,951.40 and 299,985.20 is: 449,497.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,572.40 : 848,951.40 = 299,985.20 : x
  2. Step 2: Convert to fraction form
    566,572.40/848,951.40 = 299,985.20/x
  3. Step 3: Cross multiply
    566,572.40x = 848,951.40 × 299,985.20
  4. Step 4: Simplify right side
    566,572.40x = 254,672,855,519.28
  5. Step 5: Solve for x
    x = 254,672,855,519.28/566,572.40
  6. Step 6: Final answer
    x = 449,497.46

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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.