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Finding the Fourth Proportional to 475,081.86, 655,613.25 and 260,225.52

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Solution

The fourth proportional to 475,081.86, 655,613.25 and 260,225.52 is: 359,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,081.86 : 655,613.25 = 260,225.52 : x
  2. Step 2: Convert to fraction form
    475,081.86/655,613.25 = 260,225.52/x
  3. Step 3: Cross multiply
    475,081.86x = 655,613.25 × 260,225.52
  4. Step 4: Simplify right side
    475,081.86x = 170,607,298,900.14
  5. Step 5: Solve for x
    x = 170,607,298,900.14/475,081.86
  6. Step 6: Final answer
    x = 359,111.37

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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.