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Finding the Fourth Proportional to 507,898.20, 763,604.10 and 475,008.60

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Solution

The fourth proportional to 507,898.20, 763,604.10 and 475,008.60 is: 714,155.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,898.20 : 763,604.10 = 475,008.60 : x
  2. Step 2: Convert to fraction form
    507,898.20/763,604.10 = 475,008.60/x
  3. Step 3: Cross multiply
    507,898.20x = 763,604.10 × 475,008.60
  4. Step 4: Simplify right side
    507,898.20x = 362,718,514,495.26
  5. Step 5: Solve for x
    x = 362,718,514,495.26/507,898.20
  6. Step 6: Final answer
    x = 714,155.94

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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.