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Finding the Fourth Proportional to 360,763.68, 497,783.10 and 199,588.62

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Solution

The fourth proportional to 360,763.68, 497,783.10 and 199,588.62 is: 275,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,763.68 : 497,783.10 = 199,588.62 : x
  2. Step 2: Convert to fraction form
    360,763.68/497,783.10 = 199,588.62/x
  3. Step 3: Cross multiply
    360,763.68x = 497,783.10 × 199,588.62
  4. Step 4: Simplify right side
    360,763.68x = 99,351,841,988.32
  5. Step 5: Solve for x
    x = 99,351,841,988.32/360,763.68
  6. Step 6: Final answer
    x = 275,393.14

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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.