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Finding the Fourth Proportional to 706,377.38, 974,793.69 and 384,087.56

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Solution

The fourth proportional to 706,377.38, 974,793.69 and 384,087.56 is: 530,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,377.38 : 974,793.69 = 384,087.56 : x
  2. Step 2: Convert to fraction form
    706,377.38/974,793.69 = 384,087.56/x
  3. Step 3: Cross multiply
    706,377.38x = 974,793.69 × 384,087.56
  4. Step 4: Simplify right side
    706,377.38x = 374,406,129,895.50
  5. Step 5: Solve for x
    x = 374,406,129,895.50/706,377.38
  6. Step 6: Final answer
    x = 530,036.98

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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.