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Finding the Fourth Proportional to 292,244.70, 438,334.65 and 239,562.30

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Solution

The fourth proportional to 292,244.70, 438,334.65 and 239,562.30 is: 359,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,244.70 : 438,334.65 = 239,562.30 : x
  2. Step 2: Convert to fraction form
    292,244.70/438,334.65 = 239,562.30/x
  3. Step 3: Cross multiply
    292,244.70x = 438,334.65 × 239,562.30
  4. Step 4: Simplify right side
    292,244.70x = 105,008,456,923.70
  5. Step 5: Solve for x
    x = 105,008,456,923.70/292,244.70
  6. Step 6: Final answer
    x = 359,316.89

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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.