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Finding the Fourth Proportional to 383,585.61, 575,357.61 and 117,346.16

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Solution

The fourth proportional to 383,585.61, 575,357.61 and 117,346.16 is: 176,012.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,585.61 : 575,357.61 = 117,346.16 : x
  2. Step 2: Convert to fraction form
    383,585.61/575,357.61 = 117,346.16/x
  3. Step 3: Cross multiply
    383,585.61x = 575,357.61 × 117,346.16
  4. Step 4: Simplify right side
    383,585.61x = 67,516,006,160.28
  5. Step 5: Solve for x
    x = 67,516,006,160.28/383,585.61
  6. Step 6: Final answer
    x = 176,012.88

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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.