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Finding the Fourth Proportional to 624,140.40, 934,898.40 and 519,164.40

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Solution

The fourth proportional to 624,140.40, 934,898.40 and 519,164.40 is: 777,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,140.40 : 934,898.40 = 519,164.40 : x
  2. Step 2: Convert to fraction form
    624,140.40/934,898.40 = 519,164.40/x
  3. Step 3: Cross multiply
    624,140.40x = 934,898.40 × 519,164.40
  4. Step 4: Simplify right side
    624,140.40x = 485,365,966,896.96
  5. Step 5: Solve for x
    x = 485,365,966,896.96/624,140.40
  6. Step 6: Final answer
    x = 777,655.10

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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.