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Finding the Fourth Proportional to 672,476.52, 928,011.55 and 366,552.88

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Solution

The fourth proportional to 672,476.52, 928,011.55 and 366,552.88 is: 505,839.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,476.52 : 928,011.55 = 366,552.88 : x
  2. Step 2: Convert to fraction form
    672,476.52/928,011.55 = 366,552.88/x
  3. Step 3: Cross multiply
    672,476.52x = 928,011.55 × 366,552.88
  4. Step 4: Simplify right side
    672,476.52x = 340,165,306,325.76
  5. Step 5: Solve for x
    x = 340,165,306,325.76/672,476.52
  6. Step 6: Final answer
    x = 505,839.68

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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.