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Finding the Fourth Proportional to 233,047.20, 349,833.60 and 154,315.20

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Solution

The fourth proportional to 233,047.20, 349,833.60 and 154,315.20 is: 231,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,047.20 : 349,833.60 = 154,315.20 : x
  2. Step 2: Convert to fraction form
    233,047.20/349,833.60 = 154,315.20/x
  3. Step 3: Cross multiply
    233,047.20x = 349,833.60 × 154,315.20
  4. Step 4: Simplify right side
    233,047.20x = 53,984,641,950.72
  5. Step 5: Solve for x
    x = 53,984,641,950.72/233,047.20
  6. Step 6: Final answer
    x = 231,646.82

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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.