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Finding the Fourth Proportional to 288,614.70, 432,922.05 and 236,126.70

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Solution

The fourth proportional to 288,614.70, 432,922.05 and 236,126.70 is: 354,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,614.70 : 432,922.05 = 236,126.70 : x
  2. Step 2: Convert to fraction form
    288,614.70/432,922.05 = 236,126.70/x
  3. Step 3: Cross multiply
    288,614.70x = 432,922.05 × 236,126.70
  4. Step 4: Simplify right side
    288,614.70x = 102,224,455,023.74
  5. Step 5: Solve for x
    x = 102,224,455,023.74/288,614.70
  6. Step 6: Final answer
    x = 354,190.05

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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.