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Finding the Fourth Proportional to 426,324.64, 588,320.40 and 245,034.40

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Solution

The fourth proportional to 426,324.64, 588,320.40 and 245,034.40 is: 338,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,324.64 : 588,320.40 = 245,034.40 : x
  2. Step 2: Convert to fraction form
    426,324.64/588,320.40 = 245,034.40/x
  3. Step 3: Cross multiply
    426,324.64x = 588,320.40 × 245,034.40
  4. Step 4: Simplify right side
    426,324.64x = 144,158,736,221.76
  5. Step 5: Solve for x
    x = 144,158,736,221.76/426,324.64
  6. Step 6: Final answer
    x = 338,143.10

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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.