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Finding the Fourth Proportional to 537,990.16, 807,597.60 and 272,050.96

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Solution

The fourth proportional to 537,990.16, 807,597.60 and 272,050.96 is: 408,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,990.16 : 807,597.60 = 272,050.96 : x
  2. Step 2: Convert to fraction form
    537,990.16/807,597.60 = 272,050.96/x
  3. Step 3: Cross multiply
    537,990.16x = 807,597.60 × 272,050.96
  4. Step 4: Simplify right side
    537,990.16x = 219,707,702,373.70
  5. Step 5: Solve for x
    x = 219,707,702,373.70/537,990.16
  6. Step 6: Final answer
    x = 408,386.10

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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.