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Finding the Fourth Proportional to 712,699.84, 982,737.66 and 454,167.25

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Solution

The fourth proportional to 712,699.84, 982,737.66 and 454,167.25 is: 626,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,699.84 : 982,737.66 = 454,167.25 : x
  2. Step 2: Convert to fraction form
    712,699.84/982,737.66 = 454,167.25/x
  3. Step 3: Cross multiply
    712,699.84x = 982,737.66 × 454,167.25
  4. Step 4: Simplify right side
    712,699.84x = 446,327,260,513.64
  5. Step 5: Solve for x
    x = 446,327,260,513.64/712,699.84
  6. Step 6: Final answer
    x = 626,248.57

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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.