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Finding the Fourth Proportional to 566,498.43, 780,081.71 and 553,925.61

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Solution

The fourth proportional to 566,498.43, 780,081.71 and 553,925.61 is: 762,768.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,498.43 : 780,081.71 = 553,925.61 : x
  2. Step 2: Convert to fraction form
    566,498.43/780,081.71 = 553,925.61/x
  3. Step 3: Cross multiply
    566,498.43x = 780,081.71 × 553,925.61
  4. Step 4: Simplify right side
    566,498.43x = 432,107,234,291.97
  5. Step 5: Solve for x
    x = 432,107,234,291.97/566,498.43
  6. Step 6: Final answer
    x = 762,768.64

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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.