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Finding the Fourth Proportional to 475,070.10, 655,596.86 and 260,217.87

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Solution

The fourth proportional to 475,070.10, 655,596.86 and 260,217.87 is: 359,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,070.10 : 655,596.86 = 260,217.87 : x
  2. Step 2: Convert to fraction form
    475,070.10/655,596.86 = 260,217.87/x
  3. Step 3: Cross multiply
    475,070.10x = 655,596.86 × 260,217.87
  4. Step 4: Simplify right side
    475,070.10x = 170,598,014,728.31
  5. Step 5: Solve for x
    x = 170,598,014,728.31/475,070.10
  6. Step 6: Final answer
    x = 359,100.72

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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.