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Finding the Fourth Proportional to 586,799.40, 880,199.10 and 400,175.40

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Solution

The fourth proportional to 586,799.40, 880,199.10 and 400,175.40 is: 600,263.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,799.40 : 880,199.10 = 400,175.40 : x
  2. Step 2: Convert to fraction form
    586,799.40/880,199.10 = 400,175.40/x
  3. Step 3: Cross multiply
    586,799.40x = 880,199.10 × 400,175.40
  4. Step 4: Simplify right side
    586,799.40x = 352,234,026,922.14
  5. Step 5: Solve for x
    x = 352,234,026,922.14/586,799.40
  6. Step 6: Final answer
    x = 600,263.10

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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.