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Finding the Fourth Proportional to 581,476.32, 872,230.86 and 160,752.15

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Solution

The fourth proportional to 581,476.32, 872,230.86 and 160,752.15 is: 241,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,476.32 : 872,230.86 = 160,752.15 : x
  2. Step 2: Convert to fraction form
    581,476.32/872,230.86 = 160,752.15/x
  3. Step 3: Cross multiply
    581,476.32x = 872,230.86 × 160,752.15
  4. Step 4: Simplify right side
    581,476.32x = 140,212,986,041.35
  5. Step 5: Solve for x
    x = 140,212,986,041.35/581,476.32
  6. Step 6: Final answer
    x = 241,132.75

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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.