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Finding the Fourth Proportional to 433,471.80, 650,207.70 and 291,754.20

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Solution

The fourth proportional to 433,471.80, 650,207.70 and 291,754.20 is: 437,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,471.80 : 650,207.70 = 291,754.20 : x
  2. Step 2: Convert to fraction form
    433,471.80/650,207.70 = 291,754.20/x
  3. Step 3: Cross multiply
    433,471.80x = 650,207.70 × 291,754.20
  4. Step 4: Simplify right side
    433,471.80x = 189,700,827,347.34
  5. Step 5: Solve for x
    x = 189,700,827,347.34/433,471.80
  6. Step 6: Final answer
    x = 437,631.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.