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Finding the Fourth Proportional to 712,168.96, 982,871.46 and 454,055.17

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Solution

The fourth proportional to 712,168.96, 982,871.46 and 454,055.17 is: 626,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,168.96 : 982,871.46 = 454,055.17 : x
  2. Step 2: Convert to fraction form
    712,168.96/982,871.46 = 454,055.17/x
  3. Step 3: Cross multiply
    712,168.96x = 982,871.46 × 454,055.17
  4. Step 4: Simplify right side
    712,168.96x = 446,277,867,858.45
  5. Step 5: Solve for x
    x = 446,277,867,858.45/712,168.96
  6. Step 6: Final answer
    x = 626,646.05

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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.