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Finding the Fourth Proportional to 560,534.72, 840,794.18 and 260,847.68

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Solution

The fourth proportional to 560,534.72, 840,794.18 and 260,847.68 is: 391,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,534.72 : 840,794.18 = 260,847.68 : x
  2. Step 2: Convert to fraction form
    560,534.72/840,794.18 = 260,847.68/x
  3. Step 3: Cross multiply
    560,534.72x = 840,794.18 × 260,847.68
  4. Step 4: Simplify right side
    560,534.72x = 219,319,209,833.45
  5. Step 5: Solve for x
    x = 219,319,209,833.45/560,534.72
  6. Step 6: Final answer
    x = 391,267.84

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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.