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Finding the Fourth Proportional to 437,302.59, 655,315.61 and 193,849.95

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Solution

The fourth proportional to 437,302.59, 655,315.61 and 193,849.95 is: 290,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,302.59 : 655,315.61 = 193,849.95 : x
  2. Step 2: Convert to fraction form
    437,302.59/655,315.61 = 193,849.95/x
  3. Step 3: Cross multiply
    437,302.59x = 655,315.61 × 193,849.95
  4. Step 4: Simplify right side
    437,302.59x = 127,032,897,263.47
  5. Step 5: Solve for x
    x = 127,032,897,263.47/437,302.59
  6. Step 6: Final answer
    x = 290,491.98

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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.