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Finding the Fourth Proportional to 475,613.86, 656,329.70 and 260,749.22

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Solution

The fourth proportional to 475,613.86, 656,329.70 and 260,749.22 is: 359,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,613.86 : 656,329.70 = 260,749.22 : x
  2. Step 2: Convert to fraction form
    475,613.86/656,329.70 = 260,749.22/x
  3. Step 3: Cross multiply
    475,613.86x = 656,329.70 × 260,749.22
  4. Step 4: Simplify right side
    475,613.86x = 171,137,457,337.83
  5. Step 5: Solve for x
    x = 171,137,457,337.83/475,613.86
  6. Step 6: Final answer
    x = 359,824.37

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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.