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Finding the Fourth Proportional to 560,532, 840,790.10 and 260,844.96

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Solution

The fourth proportional to 560,532, 840,790.10 and 260,844.96 is: 391,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,532 : 840,790.10 = 260,844.96 : x
  2. Step 2: Convert to fraction form
    560,532/840,790.10 = 260,844.96/x
  3. Step 3: Cross multiply
    560,532x = 840,790.10 × 260,844.96
  4. Step 4: Simplify right side
    560,532x = 219,315,860,655.01
  5. Step 5: Solve for x
    x = 219,315,860,655.01/560,532
  6. Step 6: Final answer
    x = 391,263.76

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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.