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Finding the Fourth Proportional to 292,878.04, 438,815.42 and 159,851.56

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Solution

The fourth proportional to 292,878.04, 438,815.42 and 159,851.56 is: 239,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,878.04 : 438,815.42 = 159,851.56 : x
  2. Step 2: Convert to fraction form
    292,878.04/438,815.42 = 159,851.56/x
  3. Step 3: Cross multiply
    292,878.04x = 438,815.42 × 159,851.56
  4. Step 4: Simplify right side
    292,878.04x = 70,145,329,439.06
  5. Step 5: Solve for x
    x = 70,145,329,439.06/292,878.04
  6. Step 6: Final answer
    x = 239,503.55

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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.