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Finding the Fourth Proportional to 292,887.28, 438,829.32 and 159,860.92

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Solution

The fourth proportional to 292,887.28, 438,829.32 and 159,860.92 is: 239,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,887.28 : 438,829.32 = 159,860.92 : x
  2. Step 2: Convert to fraction form
    292,887.28/438,829.32 = 159,860.92/x
  3. Step 3: Cross multiply
    292,887.28x = 438,829.32 × 159,860.92
  4. Step 4: Simplify right side
    292,887.28x = 70,151,658,818.17
  5. Step 5: Solve for x
    x = 70,151,658,818.17/292,887.28
  6. Step 6: Final answer
    x = 239,517.60

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1.5x scale

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.