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Finding the Fourth Proportional to 272,839.40, 409,259.10 and 233,473.40

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Solution

The fourth proportional to 272,839.40, 409,259.10 and 233,473.40 is: 350,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,839.40 : 409,259.10 = 233,473.40 : x
  2. Step 2: Convert to fraction form
    272,839.40/409,259.10 = 233,473.40/x
  3. Step 3: Cross multiply
    272,839.40x = 409,259.10 × 233,473.40
  4. Step 4: Simplify right side
    272,839.40x = 95,551,113,557.94
  5. Step 5: Solve for x
    x = 95,551,113,557.94/272,839.40
  6. Step 6: Final answer
    x = 350,210.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.