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Finding the Fourth Proportional to 534,061.56, 800,207.46 and 375,515.40

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Solution

The fourth proportional to 534,061.56, 800,207.46 and 375,515.40 is: 562,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,061.56 : 800,207.46 = 375,515.40 : x
  2. Step 2: Convert to fraction form
    534,061.56/800,207.46 = 375,515.40/x
  3. Step 3: Cross multiply
    534,061.56x = 800,207.46 × 375,515.40
  4. Step 4: Simplify right side
    534,061.56x = 300,490,224,424.88
  5. Step 5: Solve for x
    x = 300,490,224,424.88/534,061.56
  6. Step 6: Final answer
    x = 562,650.91

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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.