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Finding the Fourth Proportional to 677,666.97, 935,192.88 and 371,758.95

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Solution

The fourth proportional to 677,666.97, 935,192.88 and 371,758.95 is: 513,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,666.97 : 935,192.88 = 371,758.95 : x
  2. Step 2: Convert to fraction form
    677,666.97/935,192.88 = 371,758.95/x
  3. Step 3: Cross multiply
    677,666.97x = 935,192.88 × 371,758.95
  4. Step 4: Simplify right side
    677,666.97x = 347,666,323,116.28
  5. Step 5: Solve for x
    x = 347,666,323,116.28/677,666.97
  6. Step 6: Final answer
    x = 513,034.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.