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Finding the Fourth Proportional to 475,805.95, 656,620.63 and 260,944.13

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Solution

The fourth proportional to 475,805.95, 656,620.63 and 260,944.13 is: 360,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,805.95 : 656,620.63 = 260,944.13 : x
  2. Step 2: Convert to fraction form
    475,805.95/656,620.63 = 260,944.13/x
  3. Step 3: Cross multiply
    475,805.95x = 656,620.63 × 260,944.13
  4. Step 4: Simplify right side
    475,805.95x = 171,341,300,024.59
  5. Step 5: Solve for x
    x = 171,341,300,024.59/475,805.95
  6. Step 6: Final answer
    x = 360,107.52

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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.