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Finding the Fourth Proportional to 442,231.65, 610,218.02 and 248,612.90

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Solution

The fourth proportional to 442,231.65, 610,218.02 and 248,612.90 is: 343,051.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,231.65 : 610,218.02 = 248,612.90 : x
  2. Step 2: Convert to fraction form
    442,231.65/610,218.02 = 248,612.90/x
  3. Step 3: Cross multiply
    442,231.65x = 610,218.02 × 248,612.90
  4. Step 4: Simplify right side
    442,231.65x = 151,708,069,154.90
  5. Step 5: Solve for x
    x = 151,708,069,154.90/442,231.65
  6. Step 6: Final answer
    x = 343,051.13

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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.