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Finding the Fourth Proportional to 501,658.40, 752,487.60 and 302,592.80

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Solution

The fourth proportional to 501,658.40, 752,487.60 and 302,592.80 is: 453,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,658.40 : 752,487.60 = 302,592.80 : x
  2. Step 2: Convert to fraction form
    501,658.40/752,487.60 = 302,592.80/x
  3. Step 3: Cross multiply
    501,658.40x = 752,487.60 × 302,592.80
  4. Step 4: Simplify right side
    501,658.40x = 227,697,329,849.28
  5. Step 5: Solve for x
    x = 227,697,329,849.28/501,658.40
  6. Step 6: Final answer
    x = 453,889.20

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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.