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Finding the Fourth Proportional to 524,892.60, 787,338.90 and 363,929.40

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Solution

The fourth proportional to 524,892.60, 787,338.90 and 363,929.40 is: 545,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,892.60 : 787,338.90 = 363,929.40 : x
  2. Step 2: Convert to fraction form
    524,892.60/787,338.90 = 363,929.40/x
  3. Step 3: Cross multiply
    524,892.60x = 787,338.90 × 363,929.40
  4. Step 4: Simplify right side
    524,892.60x = 286,535,773,473.66
  5. Step 5: Solve for x
    x = 286,535,773,473.66/524,892.60
  6. Step 6: Final answer
    x = 545,894.10

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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.