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Finding the Fourth Proportional to 502,488.20, 704,416.60 and 502,488.20

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Solution

The fourth proportional to 502,488.20, 704,416.60 and 502,488.20 is: 704,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,488.20 : 704,416.60 = 502,488.20 : x
  2. Step 2: Convert to fraction form
    502,488.20/704,416.60 = 502,488.20/x
  3. Step 3: Cross multiply
    502,488.20x = 704,416.60 × 502,488.20
  4. Step 4: Simplify right side
    502,488.20x = 353,961,029,384.12
  5. Step 5: Solve for x
    x = 353,961,029,384.12/502,488.20
  6. Step 6: Final answer
    x = 704,416.60

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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.