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Finding the Fourth Proportional to 508,337.58, 762,507.35 and 153,351.94

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Solution

The fourth proportional to 508,337.58, 762,507.35 and 153,351.94 is: 230,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,337.58 : 762,507.35 = 153,351.94 : x
  2. Step 2: Convert to fraction form
    508,337.58/762,507.35 = 153,351.94/x
  3. Step 3: Cross multiply
    508,337.58x = 762,507.35 × 153,351.94
  4. Step 4: Simplify right side
    508,337.58x = 116,931,981,386.76
  5. Step 5: Solve for x
    x = 116,931,981,386.76/508,337.58
  6. Step 6: Final answer
    x = 230,028.21

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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.