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Finding the Fourth Proportional to 537,717.40, 807,159.30 and 301,521.40

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Solution

The fourth proportional to 537,717.40, 807,159.30 and 301,521.40 is: 452,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,717.40 : 807,159.30 = 301,521.40 : x
  2. Step 2: Convert to fraction form
    537,717.40/807,159.30 = 301,521.40/x
  3. Step 3: Cross multiply
    537,717.40x = 807,159.30 × 301,521.40
  4. Step 4: Simplify right side
    537,717.40x = 243,375,802,159.02
  5. Step 5: Solve for x
    x = 243,375,802,159.02/537,717.40
  6. Step 6: Final answer
    x = 452,609.13

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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.