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Finding the Fourth Proportional to 657,973.60, 986,960.40 and 610,734.40

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Solution

The fourth proportional to 657,973.60, 986,960.40 and 610,734.40 is: 916,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,973.60 : 986,960.40 = 610,734.40 : x
  2. Step 2: Convert to fraction form
    657,973.60/986,960.40 = 610,734.40/x
  3. Step 3: Cross multiply
    657,973.60x = 986,960.40 × 610,734.40
  4. Step 4: Simplify right side
    657,973.60x = 602,770,667,717.76
  5. Step 5: Solve for x
    x = 602,770,667,717.76/657,973.60
  6. Step 6: Final answer
    x = 916,101.60

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Why These Related Problems?

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