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Finding the Fourth Proportional to 426,289.32, 588,298.80 and 245,059.92

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Solution

The fourth proportional to 426,289.32, 588,298.80 and 245,059.92 is: 338,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,289.32 : 588,298.80 = 245,059.92 : x
  2. Step 2: Convert to fraction form
    426,289.32/588,298.80 = 245,059.92/x
  3. Step 3: Cross multiply
    426,289.32x = 588,298.80 × 245,059.92
  4. Step 4: Simplify right side
    426,289.32x = 144,168,456,864.10
  5. Step 5: Solve for x
    x = 144,168,456,864.10/426,289.32
  6. Step 6: Final answer
    x = 338,193.92

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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.