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Finding the Fourth Proportional to 614,430.76, 847,932.42 and 359,758.12

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Solution

The fourth proportional to 614,430.76, 847,932.42 and 359,758.12 is: 496,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,430.76 : 847,932.42 = 359,758.12 : x
  2. Step 2: Convert to fraction form
    614,430.76/847,932.42 = 359,758.12/x
  3. Step 3: Cross multiply
    614,430.76x = 847,932.42 × 359,758.12
  4. Step 4: Simplify right side
    614,430.76x = 305,050,573,306.25
  5. Step 5: Solve for x
    x = 305,050,573,306.25/614,430.76
  6. Step 6: Final answer
    x = 496,476.73

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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.