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Finding the Fourth Proportional to 840,565.32, 1,159,957.08 and 458,592

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Solution

The fourth proportional to 840,565.32, 1,159,957.08 and 458,592 is: 632,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,565.32 : 1,159,957.08 = 458,592 : x
  2. Step 2: Convert to fraction form
    840,565.32/1,159,957.08 = 458,592/x
  3. Step 3: Cross multiply
    840,565.32x = 1,159,957.08 × 458,592
  4. Step 4: Simplify right side
    840,565.32x = 531,947,037,231.36
  5. Step 5: Solve for x
    x = 531,947,037,231.36/840,565.32
  6. Step 6: Final answer
    x = 632,844.38

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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.