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Finding the Fourth Proportional to 467,527.80, 701,291.70 and 172,001.40

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Solution

The fourth proportional to 467,527.80, 701,291.70 and 172,001.40 is: 258,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,527.80 : 701,291.70 = 172,001.40 : x
  2. Step 2: Convert to fraction form
    467,527.80/701,291.70 = 172,001.40/x
  3. Step 3: Cross multiply
    467,527.80x = 701,291.70 × 172,001.40
  4. Step 4: Simplify right side
    467,527.80x = 120,623,154,208.38
  5. Step 5: Solve for x
    x = 120,623,154,208.38/467,527.80
  6. Step 6: Final answer
    x = 258,002.10

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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.