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Finding the Fourth Proportional to 532,047.60, 798,071.40 and 353,977.20

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Solution

The fourth proportional to 532,047.60, 798,071.40 and 353,977.20 is: 530,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,047.60 : 798,071.40 = 353,977.20 : x
  2. Step 2: Convert to fraction form
    532,047.60/798,071.40 = 353,977.20/x
  3. Step 3: Cross multiply
    532,047.60x = 798,071.40 × 353,977.20
  4. Step 4: Simplify right side
    532,047.60x = 282,499,079,572.08
  5. Step 5: Solve for x
    x = 282,499,079,572.08/532,047.60
  6. Step 6: Final answer
    x = 530,965.80

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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.