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Finding the Fourth Proportional to 353,565.33, 530,348.01 and 291,104.61

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Solution

The fourth proportional to 353,565.33, 530,348.01 and 291,104.61 is: 436,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,565.33 : 530,348.01 = 291,104.61 : x
  2. Step 2: Convert to fraction form
    353,565.33/530,348.01 = 291,104.61/x
  3. Step 3: Cross multiply
    353,565.33x = 530,348.01 × 291,104.61
  4. Step 4: Simplify right side
    353,565.33x = 154,386,750,615.33
  5. Step 5: Solve for x
    x = 154,386,750,615.33/353,565.33
  6. Step 6: Final answer
    x = 436,656.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.