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Finding the Fourth Proportional to 370,337.98, 555,488.36 and 130,463.76

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Solution

The fourth proportional to 370,337.98, 555,488.36 and 130,463.76 is: 195,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,337.98 : 555,488.36 = 130,463.76 : x
  2. Step 2: Convert to fraction form
    370,337.98/555,488.36 = 130,463.76/x
  3. Step 3: Cross multiply
    370,337.98x = 555,488.36 × 130,463.76
  4. Step 4: Simplify right side
    370,337.98x = 72,471,100,081.83
  5. Step 5: Solve for x
    x = 72,471,100,081.83/370,337.98
  6. Step 6: Final answer
    x = 195,689.08

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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.