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Finding the Fourth Proportional to 288,061.40, 432,092.10 and 169,963.40

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Solution

The fourth proportional to 288,061.40, 432,092.10 and 169,963.40 is: 254,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,061.40 : 432,092.10 = 169,963.40 : x
  2. Step 2: Convert to fraction form
    288,061.40/432,092.10 = 169,963.40/x
  3. Step 3: Cross multiply
    288,061.40x = 432,092.10 × 169,963.40
  4. Step 4: Simplify right side
    288,061.40x = 73,439,842,429.14
  5. Step 5: Solve for x
    x = 73,439,842,429.14/288,061.40
  6. Step 6: Final answer
    x = 254,945.10

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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.