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Finding the Fourth Proportional to 437,070.64, 655,718.64 and 237,339.76

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Solution

The fourth proportional to 437,070.64, 655,718.64 and 237,339.76 is: 356,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,070.64 : 655,718.64 = 237,339.76 : x
  2. Step 2: Convert to fraction form
    437,070.64/655,718.64 = 237,339.76/x
  3. Step 3: Cross multiply
    437,070.64x = 655,718.64 × 237,339.76
  4. Step 4: Simplify right side
    437,070.64x = 155,628,104,645.13
  5. Step 5: Solve for x
    x = 155,628,104,645.13/437,070.64
  6. Step 6: Final answer
    x = 356,070.83

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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.