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Finding the Fourth Proportional to 679,542.86, 937,769.72 and 373,624.49

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Solution

The fourth proportional to 679,542.86, 937,769.72 and 373,624.49 is: 515,602.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,542.86 : 937,769.72 = 373,624.49 : x
  2. Step 2: Convert to fraction form
    679,542.86/937,769.72 = 373,624.49/x
  3. Step 3: Cross multiply
    679,542.86x = 937,769.72 × 373,624.49
  4. Step 4: Simplify right side
    679,542.86x = 350,373,726,815.47
  5. Step 5: Solve for x
    x = 350,373,726,815.47/679,542.86
  6. Step 6: Final answer
    x = 515,602.11

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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.