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Finding the Fourth Proportional to 434,182.80, 599,154.90 and 243,186.42

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Solution

The fourth proportional to 434,182.80, 599,154.90 and 243,186.42 is: 335,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,182.80 : 599,154.90 = 243,186.42 : x
  2. Step 2: Convert to fraction form
    434,182.80/599,154.90 = 243,186.42/x
  3. Step 3: Cross multiply
    434,182.80x = 599,154.90 × 243,186.42
  4. Step 4: Simplify right side
    434,182.80x = 145,706,335,156.46
  5. Step 5: Solve for x
    x = 145,706,335,156.46/434,182.80
  6. Step 6: Final answer
    x = 335,587.53

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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.