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Finding the Fourth Proportional to 569,195.97, 785,423.55 and 314,531.97

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Solution

The fourth proportional to 569,195.97, 785,423.55 and 314,531.97 is: 434,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,195.97 : 785,423.55 = 314,531.97 : x
  2. Step 2: Convert to fraction form
    569,195.97/785,423.55 = 314,531.97/x
  3. Step 3: Cross multiply
    569,195.97x = 785,423.55 × 314,531.97
  4. Step 4: Simplify right side
    569,195.97x = 247,040,816,465.89
  5. Step 5: Solve for x
    x = 247,040,816,465.89/569,195.97
  6. Step 6: Final answer
    x = 434,017.16

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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.