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Finding the Fourth Proportional to 532,818.99, 735,290.78 and 291,105.54

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Solution

The fourth proportional to 532,818.99, 735,290.78 and 291,105.54 is: 401,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,818.99 : 735,290.78 = 291,105.54 : x
  2. Step 2: Convert to fraction form
    532,818.99/735,290.78 = 291,105.54/x
  3. Step 3: Cross multiply
    532,818.99x = 735,290.78 × 291,105.54
  4. Step 4: Simplify right side
    532,818.99x = 214,047,218,113.39
  5. Step 5: Solve for x
    x = 214,047,218,113.39/532,818.99
  6. Step 6: Final answer
    x = 401,725.96

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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.