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Finding the Fourth Proportional to 537,970.40, 807,061.92 and 158,897.72

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Solution

The fourth proportional to 537,970.40, 807,061.92 and 158,897.72 is: 238,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,970.40 : 807,061.92 = 158,897.72 : x
  2. Step 2: Convert to fraction form
    537,970.40/807,061.92 = 158,897.72/x
  3. Step 3: Cross multiply
    537,970.40x = 807,061.92 × 158,897.72
  4. Step 4: Simplify right side
    537,970.40x = 128,240,298,986.82
  5. Step 5: Solve for x
    x = 128,240,298,986.82/537,970.40
  6. Step 6: Final answer
    x = 238,377.98

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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.