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Finding the Fourth Proportional to 1,197,002, 1,651,862.76 and 660,458

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Solution

The fourth proportional to 1,197,002, 1,651,862.76 and 660,458 is: 911,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,002 : 1,651,862.76 = 660,458 : x
  2. Step 2: Convert to fraction form
    1,197,002/1,651,862.76 = 660,458/x
  3. Step 3: Cross multiply
    1,197,002x = 1,651,862.76 × 660,458
  4. Step 4: Simplify right side
    1,197,002x = 1,090,985,974,744.08
  5. Step 5: Solve for x
    x = 1,090,985,974,744.08/1,197,002
  6. Step 6: Final answer
    x = 911,432.04

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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.