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Finding the Fourth Proportional to 367,118.80, 550,240.80 and 153,886.30

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Solution

The fourth proportional to 367,118.80, 550,240.80 and 153,886.30 is: 230,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,118.80 : 550,240.80 = 153,886.30 : x
  2. Step 2: Convert to fraction form
    367,118.80/550,240.80 = 153,886.30/x
  3. Step 3: Cross multiply
    367,118.80x = 550,240.80 × 153,886.30
  4. Step 4: Simplify right side
    367,118.80x = 84,674,520,821.04
  5. Step 5: Solve for x
    x = 84,674,520,821.04/367,118.80
  6. Step 6: Final answer
    x = 230,646.10

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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.