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Finding the Fourth Proportional to 614,896.96, 916,232.47 and 547,821.66

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Solution

The fourth proportional to 614,896.96, 916,232.47 and 547,821.66 is: 816,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,896.96 : 916,232.47 = 547,821.66 : x
  2. Step 2: Convert to fraction form
    614,896.96/916,232.47 = 547,821.66/x
  3. Step 3: Cross multiply
    614,896.96x = 916,232.47 × 547,821.66
  4. Step 4: Simplify right side
    614,896.96x = 501,931,992,661.30
  5. Step 5: Solve for x
    x = 501,931,992,661.30/614,896.96
  6. Step 6: Final answer
    x = 816,286.35

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Double scale
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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.