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Finding the Fourth Proportional to 550,853.68, 760,870.98 and 454,407.04

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Solution

The fourth proportional to 550,853.68, 760,870.98 and 454,407.04 is: 627,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,853.68 : 760,870.98 = 454,407.04 : x
  2. Step 2: Convert to fraction form
    550,853.68/760,870.98 = 454,407.04/x
  3. Step 3: Cross multiply
    550,853.68x = 760,870.98 × 454,407.04
  4. Step 4: Simplify right side
    550,853.68x = 345,745,129,843.70
  5. Step 5: Solve for x
    x = 345,745,129,843.70/550,853.68
  6. Step 6: Final answer
    x = 627,653.30

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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.