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Finding the Fourth Proportional to 672,484.71, 928,000.97 and 366,554.36

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Solution

The fourth proportional to 672,484.71, 928,000.97 and 366,554.36 is: 505,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,484.71 : 928,000.97 = 366,554.36 : x
  2. Step 2: Convert to fraction form
    672,484.71/928,000.97 = 366,554.36/x
  3. Step 3: Cross multiply
    672,484.71x = 928,000.97 × 366,554.36
  4. Step 4: Simplify right side
    672,484.71x = 340,162,799,074.11
  5. Step 5: Solve for x
    x = 340,162,799,074.11/672,484.71
  6. Step 6: Final answer
    x = 505,829.79

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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.