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Finding the Fourth Proportional to 895,408.16, 1,343,258.16 and 264,385.76

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Solution

The fourth proportional to 895,408.16, 1,343,258.16 and 264,385.76 is: 396,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,408.16 : 1,343,258.16 = 264,385.76 : x
  2. Step 2: Convert to fraction form
    895,408.16/1,343,258.16 = 264,385.76/x
  3. Step 3: Cross multiply
    895,408.16x = 1,343,258.16 × 264,385.76
  4. Step 4: Simplify right side
    895,408.16x = 355,138,329,507.80
  5. Step 5: Solve for x
    x = 355,138,329,507.80/895,408.16
  6. Step 6: Final answer
    x = 396,621.73

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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.