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Finding the Fourth Proportional to 506,747.43, 760,239.33 and 146,925.76

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Solution

The fourth proportional to 506,747.43, 760,239.33 and 146,925.76 is: 220,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,747.43 : 760,239.33 = 146,925.76 : x
  2. Step 2: Convert to fraction form
    506,747.43/760,239.33 = 146,925.76/x
  3. Step 3: Cross multiply
    506,747.43x = 760,239.33 × 146,925.76
  4. Step 4: Simplify right side
    506,747.43x = 111,698,741,342.14
  5. Step 5: Solve for x
    x = 111,698,741,342.14/506,747.43
  6. Step 6: Final answer
    x = 220,422.91

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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.