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Finding the Fourth Proportional to 868,003.84, 1,197,792 and 485,966.08

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Solution

The fourth proportional to 868,003.84, 1,197,792 and 485,966.08 is: 670,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,003.84 : 1,197,792 = 485,966.08 : x
  2. Step 2: Convert to fraction form
    868,003.84/1,197,792 = 485,966.08/x
  3. Step 3: Cross multiply
    868,003.84x = 1,197,792 × 485,966.08
  4. Step 4: Simplify right side
    868,003.84x = 582,086,282,895.36
  5. Step 5: Solve for x
    x = 582,086,282,895.36/868,003.84
  6. Step 6: Final answer
    x = 670,603.35

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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.