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Finding the Fourth Proportional to 426,263.76, 588,263.58 and 245,034.36

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Solution

The fourth proportional to 426,263.76, 588,263.58 and 245,034.36 is: 338,158.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,263.76 : 588,263.58 = 245,034.36 : x
  2. Step 2: Convert to fraction form
    426,263.76/588,263.58 = 245,034.36/x
  3. Step 3: Cross multiply
    426,263.76x = 588,263.58 × 245,034.36
  4. Step 4: Simplify right side
    426,263.76x = 144,144,789,836.61
  5. Step 5: Solve for x
    x = 144,144,789,836.61/426,263.76
  6. Step 6: Final answer
    x = 338,158.68

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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.