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Finding the Fourth Proportional to 652,244.73, 900,106.92 and 394,085.76

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Solution

The fourth proportional to 652,244.73, 900,106.92 and 394,085.76 is: 543,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,244.73 : 900,106.92 = 394,085.76 : x
  2. Step 2: Convert to fraction form
    652,244.73/900,106.92 = 394,085.76/x
  3. Step 3: Cross multiply
    652,244.73x = 900,106.92 × 394,085.76
  4. Step 4: Simplify right side
    652,244.73x = 354,719,319,649.46
  5. Step 5: Solve for x
    x = 354,719,319,649.46/652,244.73
  6. Step 6: Final answer
    x = 543,843.90

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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.