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Finding the Fourth Proportional to 555,633.60, 833,128.56 and 489,207.12

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Solution

The fourth proportional to 555,633.60, 833,128.56 and 489,207.12 is: 733,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,633.60 : 833,128.56 = 489,207.12 : x
  2. Step 2: Convert to fraction form
    555,633.60/833,128.56 = 489,207.12/x
  3. Step 3: Cross multiply
    555,633.60x = 833,128.56 × 489,207.12
  4. Step 4: Simplify right side
    555,633.60x = 407,572,423,427.35
  5. Step 5: Solve for x
    x = 407,572,423,427.35/555,633.60
  6. Step 6: Final answer
    x = 733,527.32

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