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Finding the Fourth Proportional to 884,480.56, 1,220,616.12 and 502,572.08

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Solution

The fourth proportional to 884,480.56, 1,220,616.12 and 502,572.08 is: 693,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,480.56 : 1,220,616.12 = 502,572.08 : x
  2. Step 2: Convert to fraction form
    884,480.56/1,220,616.12 = 502,572.08/x
  3. Step 3: Cross multiply
    884,480.56x = 1,220,616.12 × 502,572.08
  4. Step 4: Simplify right side
    884,480.56x = 613,447,582,309.93
  5. Step 5: Solve for x
    x = 613,447,582,309.93/884,480.56
  6. Step 6: Final answer
    x = 693,568.19

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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.