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Finding the Fourth Proportional to 614,410.76, 847,904.82 and 359,738.12

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Solution

The fourth proportional to 614,410.76, 847,904.82 and 359,738.12 is: 496,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,410.76 : 847,904.82 = 359,738.12 : x
  2. Step 2: Convert to fraction form
    614,410.76/847,904.82 = 359,738.12/x
  3. Step 3: Cross multiply
    614,410.76x = 847,904.82 × 359,738.12
  4. Step 4: Simplify right side
    614,410.76x = 305,023,685,885.74
  5. Step 5: Solve for x
    x = 305,023,685,885.74/614,410.76
  6. Step 6: Final answer
    x = 496,449.13

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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.