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Finding the Fourth Proportional to 524,930.53, 724,522.64 and 321,151.34

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Solution

The fourth proportional to 524,930.53, 724,522.64 and 321,151.34 is: 443,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,930.53 : 724,522.64 = 321,151.34 : x
  2. Step 2: Convert to fraction form
    524,930.53/724,522.64 = 321,151.34/x
  3. Step 3: Cross multiply
    524,930.53x = 724,522.64 × 321,151.34
  4. Step 4: Simplify right side
    524,930.53x = 232,681,416,696.34
  5. Step 5: Solve for x
    x = 232,681,416,696.34/524,930.53
  6. Step 6: Final answer
    x = 443,261.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.