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Finding the Fourth Proportional to 614,706.54, 847,818.09 and 545,868.42

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Solution

The fourth proportional to 614,706.54, 847,818.09 and 545,868.42 is: 752,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,706.54 : 847,818.09 = 545,868.42 : x
  2. Step 2: Convert to fraction form
    614,706.54/847,818.09 = 545,868.42/x
  3. Step 3: Cross multiply
    614,706.54x = 847,818.09 × 545,868.42
  4. Step 4: Simplify right side
    614,706.54x = 462,797,121,235.72
  5. Step 5: Solve for x
    x = 462,797,121,235.72/614,706.54
  6. Step 6: Final answer
    x = 752,874.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.