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Finding the Fourth Proportional to 836,699.80, 1,154,654.67 and 454,726.60

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Solution

The fourth proportional to 836,699.80, 1,154,654.67 and 454,726.60 is: 627,527.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,699.80 : 1,154,654.67 = 454,726.60 : x
  2. Step 2: Convert to fraction form
    836,699.80/1,154,654.67 = 454,726.60/x
  3. Step 3: Cross multiply
    836,699.80x = 1,154,654.67 × 454,726.60
  4. Step 4: Simplify right side
    836,699.80x = 525,052,192,263.22
  5. Step 5: Solve for x
    x = 525,052,192,263.22/836,699.80
  6. Step 6: Final answer
    x = 627,527.57

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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.