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Finding the Fourth Proportional to 614,869.44, 916,191.82 and 547,794.16

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Solution

The fourth proportional to 614,869.44, 916,191.82 and 547,794.16 is: 816,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,869.44 : 916,191.82 = 547,794.16 : x
  2. Step 2: Convert to fraction form
    614,869.44/916,191.82 = 547,794.16/x
  3. Step 3: Cross multiply
    614,869.44x = 916,191.82 × 547,794.16
  4. Step 4: Simplify right side
    614,869.44x = 501,884,528,435.77
  5. Step 5: Solve for x
    x = 501,884,528,435.77/614,869.44
  6. Step 6: Final answer
    x = 816,245.69

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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.