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Finding the Fourth Proportional to 604,509.11, 834,229.55 and 346,380.94

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Solution

The fourth proportional to 604,509.11, 834,229.55 and 346,380.94 is: 478,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,509.11 : 834,229.55 = 346,380.94 : x
  2. Step 2: Convert to fraction form
    604,509.11/834,229.55 = 346,380.94/x
  3. Step 3: Cross multiply
    604,509.11x = 834,229.55 × 346,380.94
  4. Step 4: Simplify right side
    604,509.11x = 288,961,215,704.78
  5. Step 5: Solve for x
    x = 288,961,215,704.78/604,509.11
  6. Step 6: Final answer
    x = 478,009.70

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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.