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Finding the Fourth Proportional to 475,443.68, 656,109.25 and 260,597.12

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Solution

The fourth proportional to 475,443.68, 656,109.25 and 260,597.12 is: 359,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,443.68 : 656,109.25 = 260,597.12 : x
  2. Step 2: Convert to fraction form
    475,443.68/656,109.25 = 260,597.12/x
  3. Step 3: Cross multiply
    475,443.68x = 656,109.25 × 260,597.12
  4. Step 4: Simplify right side
    475,443.68x = 170,980,177,023.32
  5. Step 5: Solve for x
    x = 170,980,177,023.32/475,443.68
  6. Step 6: Final answer
    x = 359,622.36

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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.