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Finding the Fourth Proportional to 502,685.10, 702,184.50 and 502,685.10

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Solution

The fourth proportional to 502,685.10, 702,184.50 and 502,685.10 is: 702,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,685.10 : 702,184.50 = 502,685.10 : x
  2. Step 2: Convert to fraction form
    502,685.10/702,184.50 = 502,685.10/x
  3. Step 3: Cross multiply
    502,685.10x = 702,184.50 × 502,685.10
  4. Step 4: Simplify right side
    502,685.10x = 352,977,685,600.95
  5. Step 5: Solve for x
    x = 352,977,685,600.95/502,685.10
  6. Step 6: Final answer
    x = 702,184.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.