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Finding the Fourth Proportional to 492,712.30, 739,068.45 and 282,177.10

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Solution

The fourth proportional to 492,712.30, 739,068.45 and 282,177.10 is: 423,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,712.30 : 739,068.45 = 282,177.10 : x
  2. Step 2: Convert to fraction form
    492,712.30/739,068.45 = 282,177.10/x
  3. Step 3: Cross multiply
    492,712.30x = 739,068.45 × 282,177.10
  4. Step 4: Simplify right side
    492,712.30x = 208,548,191,922.50
  5. Step 5: Solve for x
    x = 208,548,191,922.50/492,712.30
  6. Step 6: Final answer
    x = 423,265.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.