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Finding the Fourth Proportional to 292,878.78, 438,816.60 and 159,852.39

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Solution

The fourth proportional to 292,878.78, 438,816.60 and 159,852.39 is: 239,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,878.78 : 438,816.60 = 159,852.39 : x
  2. Step 2: Convert to fraction form
    292,878.78/438,816.60 = 159,852.39/x
  3. Step 3: Cross multiply
    292,878.78x = 438,816.60 × 159,852.39
  4. Step 4: Simplify right side
    292,878.78x = 70,145,882,281.67
  5. Step 5: Solve for x
    x = 70,145,882,281.67/292,878.78
  6. Step 6: Final answer
    x = 239,504.83

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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.