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Finding the Fourth Proportional to 466,909.12, 644,337.21 and 265,705.12

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Solution

The fourth proportional to 466,909.12, 644,337.21 and 265,705.12 is: 366,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,909.12 : 644,337.21 = 265,705.12 : x
  2. Step 2: Convert to fraction form
    466,909.12/644,337.21 = 265,705.12/x
  3. Step 3: Cross multiply
    466,909.12x = 644,337.21 × 265,705.12
  4. Step 4: Simplify right side
    466,909.12x = 171,203,695,703.52
  5. Step 5: Solve for x
    x = 171,203,695,703.52/466,909.12
  6. Step 6: Final answer
    x = 366,674.56

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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.