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Finding the Fourth Proportional to 440,205.64, 606,123.58 and 343,798.92

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Solution

The fourth proportional to 440,205.64, 606,123.58 and 343,798.92 is: 473,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,205.64 : 606,123.58 = 343,798.92 : x
  2. Step 2: Convert to fraction form
    440,205.64/606,123.58 = 343,798.92/x
  3. Step 3: Cross multiply
    440,205.64x = 606,123.58 × 343,798.92
  4. Step 4: Simplify right side
    440,205.64x = 208,384,632,190.53
  5. Step 5: Solve for x
    x = 208,384,632,190.53/440,205.64
  6. Step 6: Final answer
    x = 473,380.20

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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.