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Finding the Fourth Proportional to 614,855.53, 916,170.79 and 547,780.24

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Solution

The fourth proportional to 614,855.53, 916,170.79 and 547,780.24 is: 816,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,855.53 : 916,170.79 = 547,780.24 : x
  2. Step 2: Convert to fraction form
    614,855.53/916,170.79 = 547,780.24/x
  3. Step 3: Cross multiply
    614,855.53x = 916,170.79 × 547,780.24
  4. Step 4: Simplify right side
    614,855.53x = 501,860,255,227.19
  5. Step 5: Solve for x
    x = 501,860,255,227.19/614,855.53
  6. Step 6: Final answer
    x = 816,224.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.