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Finding the Fourth Proportional to 545,565.35, 818,236.24 and 343,068.59

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Solution

The fourth proportional to 545,565.35, 818,236.24 and 343,068.59 is: 514,532.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,565.35 : 818,236.24 = 343,068.59 : x
  2. Step 2: Convert to fraction form
    545,565.35/818,236.24 = 343,068.59/x
  3. Step 3: Cross multiply
    545,565.35x = 818,236.24 × 343,068.59
  4. Step 4: Simplify right side
    545,565.35x = 280,711,154,331.62
  5. Step 5: Solve for x
    x = 280,711,154,331.62/545,565.35
  6. Step 6: Final answer
    x = 514,532.59

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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.