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Finding the Fourth Proportional to 532,944.34, 735,431.84 and 291,178.78

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Solution

The fourth proportional to 532,944.34, 735,431.84 and 291,178.78 is: 401,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,944.34 : 735,431.84 = 291,178.78 : x
  2. Step 2: Convert to fraction form
    532,944.34/735,431.84 = 291,178.78/x
  3. Step 3: Cross multiply
    532,944.34x = 735,431.84 × 291,178.78
  4. Step 4: Simplify right side
    532,944.34x = 214,142,143,741.80
  5. Step 5: Solve for x
    x = 214,142,143,741.80/532,944.34
  6. Step 6: Final answer
    x = 401,809.59

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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.