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Finding the Fourth Proportional to 360,719.80, 497,807.97 and 199,572.22

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Solution

The fourth proportional to 360,719.80, 497,807.97 and 199,572.22 is: 275,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,719.80 : 497,807.97 = 199,572.22 : x
  2. Step 2: Convert to fraction form
    360,719.80/497,807.97 = 199,572.22/x
  3. Step 3: Cross multiply
    360,719.80x = 497,807.97 × 199,572.22
  4. Step 4: Simplify right side
    360,719.80x = 99,348,641,084.33
  5. Step 5: Solve for x
    x = 99,348,641,084.33/360,719.80
  6. Step 6: Final answer
    x = 275,417.77

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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.