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Finding the Fourth Proportional to 676,057.13, 933,591.03 and 434,758.73

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Solution

The fourth proportional to 676,057.13, 933,591.03 and 434,758.73 is: 600,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,057.13 : 933,591.03 = 434,758.73 : x
  2. Step 2: Convert to fraction form
    676,057.13/933,591.03 = 434,758.73/x
  3. Step 3: Cross multiply
    676,057.13x = 933,591.03 × 434,758.73
  4. Step 4: Simplify right side
    676,057.13x = 405,886,850,542.19
  5. Step 5: Solve for x
    x = 405,886,850,542.19/676,057.13
  6. Step 6: Final answer
    x = 600,373.60

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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.