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Finding the Fourth Proportional to 370,001.70, 555,002.55 and 192,854.70

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Solution

The fourth proportional to 370,001.70, 555,002.55 and 192,854.70 is: 289,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,001.70 : 555,002.55 = 192,854.70 : x
  2. Step 2: Convert to fraction form
    370,001.70/555,002.55 = 192,854.70/x
  3. Step 3: Cross multiply
    370,001.70x = 555,002.55 × 192,854.70
  4. Step 4: Simplify right side
    370,001.70x = 107,034,850,279.49
  5. Step 5: Solve for x
    x = 107,034,850,279.49/370,001.70
  6. Step 6: Final answer
    x = 289,282.05

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1.5x scale

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.