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Finding the Fourth Proportional to 475,513.20, 656,204.04 and 260,652.60

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Solution

The fourth proportional to 475,513.20, 656,204.04 and 260,652.60 is: 359,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,513.20 : 656,204.04 = 260,652.60 : x
  2. Step 2: Convert to fraction form
    475,513.20/656,204.04 = 260,652.60/x
  3. Step 3: Cross multiply
    475,513.20x = 656,204.04 × 260,652.60
  4. Step 4: Simplify right side
    475,513.20x = 171,041,289,156.50
  5. Step 5: Solve for x
    x = 171,041,289,156.50/475,513.20
  6. Step 6: Final answer
    x = 359,698.30

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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.