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Finding the Fourth Proportional to 476,471.04, 714,554.99 and 156,549.16

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Solution

The fourth proportional to 476,471.04, 714,554.99 and 156,549.16 is: 234,773.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,471.04 : 714,554.99 = 156,549.16 : x
  2. Step 2: Convert to fraction form
    476,471.04/714,554.99 = 156,549.16/x
  3. Step 3: Cross multiply
    476,471.04x = 714,554.99 × 156,549.16
  4. Step 4: Simplify right side
    476,471.04x = 111,862,984,155.82
  5. Step 5: Solve for x
    x = 111,862,984,155.82/476,471.04
  6. Step 6: Final answer
    x = 234,773.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.