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Finding the Fourth Proportional to 411,424.48, 567,818.22 and 230,146.48

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Solution

The fourth proportional to 411,424.48, 567,818.22 and 230,146.48 is: 317,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,424.48 : 567,818.22 = 230,146.48 : x
  2. Step 2: Convert to fraction form
    411,424.48/567,818.22 = 230,146.48/x
  3. Step 3: Cross multiply
    411,424.48x = 567,818.22 × 230,146.48
  4. Step 4: Simplify right side
    411,424.48x = 130,681,364,612.87
  5. Step 5: Solve for x
    x = 130,681,364,612.87/411,424.48
  6. Step 6: Final answer
    x = 317,631.48

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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.