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Finding the Fourth Proportional to 619,863.89, 929,434.57 and 240,341.25

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Solution

The fourth proportional to 619,863.89, 929,434.57 and 240,341.25 is: 360,371.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,863.89 : 929,434.57 = 240,341.25 : x
  2. Step 2: Convert to fraction form
    619,863.89/929,434.57 = 240,341.25/x
  3. Step 3: Cross multiply
    619,863.89x = 929,434.57 × 240,341.25
  4. Step 4: Simplify right side
    619,863.89x = 223,381,465,746.16
  5. Step 5: Solve for x
    x = 223,381,465,746.16/619,863.89
  6. Step 6: Final answer
    x = 360,371.80

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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.