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Finding the Fourth Proportional to 440,206.64, 606,124.96 and 343,799.92

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Solution

The fourth proportional to 440,206.64, 606,124.96 and 343,799.92 is: 473,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,206.64 : 606,124.96 = 343,799.92 : x
  2. Step 2: Convert to fraction form
    440,206.64/606,124.96 = 343,799.92/x
  3. Step 3: Cross multiply
    440,206.64x = 606,124.96 × 343,799.92
  4. Step 4: Simplify right side
    440,206.64x = 208,385,712,758.00
  5. Step 5: Solve for x
    x = 208,385,712,758.00/440,206.64
  6. Step 6: Final answer
    x = 473,381.58

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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.