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Finding the Fourth Proportional to 670,332, 924,961.96 and 394,525.92

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Solution

The fourth proportional to 670,332, 924,961.96 and 394,525.92 is: 544,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,332 : 924,961.96 = 394,525.92 : x
  2. Step 2: Convert to fraction form
    670,332/924,961.96 = 394,525.92/x
  3. Step 3: Cross multiply
    670,332x = 924,961.96 × 394,525.92
  4. Step 4: Simplify right side
    670,332x = 364,921,468,234.00
  5. Step 5: Solve for x
    x = 364,921,468,234.00/670,332
  6. Step 6: Final answer
    x = 544,389.15

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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.