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Finding the Fourth Proportional to 437,307.04, 656,151.16 and 153,201.40

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Solution

The fourth proportional to 437,307.04, 656,151.16 and 153,201.40 is: 229,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,307.04 : 656,151.16 = 153,201.40 : x
  2. Step 2: Convert to fraction form
    437,307.04/656,151.16 = 153,201.40/x
  3. Step 3: Cross multiply
    437,307.04x = 656,151.16 × 153,201.40
  4. Step 4: Simplify right side
    437,307.04x = 100,523,276,323.62
  5. Step 5: Solve for x
    x = 100,523,276,323.62/437,307.04
  6. Step 6: Final answer
    x = 229,868.87

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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.