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Finding the Fourth Proportional to 437,071.76, 655,665.04 and 152,767.22

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Solution

The fourth proportional to 437,071.76, 655,665.04 and 152,767.22 is: 229,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,071.76 : 655,665.04 = 152,767.22 : x
  2. Step 2: Convert to fraction form
    437,071.76/655,665.04 = 152,767.22/x
  3. Step 3: Cross multiply
    437,071.76x = 655,665.04 × 152,767.22
  4. Step 4: Simplify right side
    437,071.76x = 100,164,125,411.99
  5. Step 5: Solve for x
    x = 100,164,125,411.99/437,071.76
  6. Step 6: Final answer
    x = 229,170.89

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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.