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Finding the Fourth Proportional to 439,099.76, 605,957.54 and 237,895.76

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Solution

The fourth proportional to 439,099.76, 605,957.54 and 237,895.76 is: 328,296.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,099.76 : 605,957.54 = 237,895.76 : x
  2. Step 2: Convert to fraction form
    439,099.76/605,957.54 = 237,895.76/x
  3. Step 3: Cross multiply
    439,099.76x = 605,957.54 × 237,895.76
  4. Step 4: Simplify right side
    439,099.76x = 144,154,729,506.03
  5. Step 5: Solve for x
    x = 144,154,729,506.03/439,099.76
  6. Step 6: Final answer
    x = 328,296.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.