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Finding the Fourth Proportional to 475,758.06, 656,555.15 and 260,885.31

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Solution

The fourth proportional to 475,758.06, 656,555.15 and 260,885.31 is: 360,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,758.06 : 656,555.15 = 260,885.31 : x
  2. Step 2: Convert to fraction form
    475,758.06/656,555.15 = 260,885.31/x
  3. Step 3: Cross multiply
    475,758.06x = 656,555.15 × 260,885.31
  4. Step 4: Simplify right side
    475,758.06x = 171,285,592,535.42
  5. Step 5: Solve for x
    x = 171,285,592,535.42/475,758.06
  6. Step 6: Final answer
    x = 360,026.68

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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.