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Finding the Fourth Proportional to 408,063.54, 563,208.30 and 260,794.20

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Solution

The fourth proportional to 408,063.54, 563,208.30 and 260,794.20 is: 359,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,063.54 : 563,208.30 = 260,794.20 : x
  2. Step 2: Convert to fraction form
    408,063.54/563,208.30 = 260,794.20/x
  3. Step 3: Cross multiply
    408,063.54x = 563,208.30 × 260,794.20
  4. Step 4: Simplify right side
    408,063.54x = 146,881,458,031.86
  5. Step 5: Solve for x
    x = 146,881,458,031.86/408,063.54
  6. Step 6: Final answer
    x = 359,947.52

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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.