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Finding the Fourth Proportional to 564,891, 847,335.72 and 144,166.86

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Solution

The fourth proportional to 564,891, 847,335.72 and 144,166.86 is: 216,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,891 : 847,335.72 = 144,166.86 : x
  2. Step 2: Convert to fraction form
    564,891/847,335.72 = 144,166.86/x
  3. Step 3: Cross multiply
    564,891x = 847,335.72 × 144,166.86
  4. Step 4: Simplify right side
    564,891x = 122,157,730,118.24
  5. Step 5: Solve for x
    x = 122,157,730,118.24/564,891
  6. Step 6: Final answer
    x = 216,250.09

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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.