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Finding the Fourth Proportional to 383,587.56, 575,445.69 and 117,285.66

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Solution

The fourth proportional to 383,587.56, 575,445.69 and 117,285.66 is: 175,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,587.56 : 575,445.69 = 117,285.66 : x
  2. Step 2: Convert to fraction form
    383,587.56/575,445.69 = 117,285.66/x
  3. Step 3: Cross multiply
    383,587.56x = 575,445.69 × 117,285.66
  4. Step 4: Simplify right side
    383,587.56x = 67,491,527,545.81
  5. Step 5: Solve for x
    x = 67,491,527,545.81/383,587.56
  6. Step 6: Final answer
    x = 175,948.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.