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Finding the Fourth Proportional to 676,222.54, 933,187.17 and 374,416.54

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Solution

The fourth proportional to 676,222.54, 933,187.17 and 374,416.54 is: 516,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,222.54 : 933,187.17 = 374,416.54 : x
  2. Step 2: Convert to fraction form
    676,222.54/933,187.17 = 374,416.54/x
  3. Step 3: Cross multiply
    676,222.54x = 933,187.17 × 374,416.54
  4. Step 4: Simplify right side
    676,222.54x = 349,400,711,363.79
  5. Step 5: Solve for x
    x = 349,400,711,363.79/676,222.54
  6. Step 6: Final answer
    x = 516,694.86

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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.