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Finding the Fourth Proportional to 560,532.50, 840,790.85 and 260,845.46

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Solution

The fourth proportional to 560,532.50, 840,790.85 and 260,845.46 is: 391,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,532.50 : 840,790.85 = 260,845.46 : x
  2. Step 2: Convert to fraction form
    560,532.50/840,790.85 = 260,845.46/x
  3. Step 3: Cross multiply
    560,532.50x = 840,790.85 × 260,845.46
  4. Step 4: Simplify right side
    560,532.50x = 219,316,476,032.04
  5. Step 5: Solve for x
    x = 219,316,476,032.04/560,532.50
  6. Step 6: Final answer
    x = 391,264.51

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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.