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Finding the Fourth Proportional to 614,010.81, 916,698.96 and 469,158.54

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Solution

The fourth proportional to 614,010.81, 916,698.96 and 469,158.54 is: 700,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,010.81 : 916,698.96 = 469,158.54 : x
  2. Step 2: Convert to fraction form
    614,010.81/916,698.96 = 469,158.54/x
  3. Step 3: Cross multiply
    614,010.81x = 916,698.96 × 469,158.54
  4. Step 4: Simplify right side
    614,010.81x = 430,077,145,693.12
  5. Step 5: Solve for x
    x = 430,077,145,693.12/614,010.81
  6. Step 6: Final answer
    x = 700,439.05

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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.