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Finding the Fourth Proportional to 485,252.04, 669,641.04 and 270,401.16

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Solution

The fourth proportional to 485,252.04, 669,641.04 and 270,401.16 is: 373,149.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,252.04 : 669,641.04 = 270,401.16 : x
  2. Step 2: Convert to fraction form
    485,252.04/669,641.04 = 270,401.16/x
  3. Step 3: Cross multiply
    485,252.04x = 669,641.04 × 270,401.16
  4. Step 4: Simplify right side
    485,252.04x = 181,071,713,999.61
  5. Step 5: Solve for x
    x = 181,071,713,999.61/485,252.04
  6. Step 6: Final answer
    x = 373,149.83

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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.