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Finding the Fourth Proportional to 727,654.40, 996,890.08 and 700,382.15

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Solution

The fourth proportional to 727,654.40, 996,890.08 and 700,382.15 is: 959,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,654.40 : 996,890.08 = 700,382.15 : x
  2. Step 2: Convert to fraction form
    727,654.40/996,890.08 = 700,382.15/x
  3. Step 3: Cross multiply
    727,654.40x = 996,890.08 × 700,382.15
  4. Step 4: Simplify right side
    727,654.40x = 698,204,017,544.07
  5. Step 5: Solve for x
    x = 698,204,017,544.07/727,654.40
  6. Step 6: Final answer
    x = 959,526.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.