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Finding the Fourth Proportional to 840,727.53, 1,160,232 and 458,775.27

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Solution

The fourth proportional to 840,727.53, 1,160,232 and 458,775.27 is: 633,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,727.53 : 1,160,232 = 458,775.27 : x
  2. Step 2: Convert to fraction form
    840,727.53/1,160,232 = 458,775.27/x
  3. Step 3: Cross multiply
    840,727.53x = 1,160,232 × 458,775.27
  4. Step 4: Simplify right side
    840,727.53x = 532,285,749,062.64
  5. Step 5: Solve for x
    x = 532,285,749,062.64/840,727.53
  6. Step 6: Final answer
    x = 633,125.16

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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.