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Finding the Fourth Proportional to 677,653.61, 935,182.19 and 375,841.13

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Solution

The fourth proportional to 677,653.61, 935,182.19 and 375,841.13 is: 518,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,653.61 : 935,182.19 = 375,841.13 : x
  2. Step 2: Convert to fraction form
    677,653.61/935,182.19 = 375,841.13/x
  3. Step 3: Cross multiply
    677,653.61x = 935,182.19 × 375,841.13
  4. Step 4: Simplify right side
    677,653.61x = 351,479,927,309.17
  5. Step 5: Solve for x
    x = 351,479,927,309.17/677,653.61
  6. Step 6: Final answer
    x = 518,671.97

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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.