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Finding the Fourth Proportional to 425,120.54, 586,622.93 and 261,751.10

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Solution

The fourth proportional to 425,120.54, 586,622.93 and 261,751.10 is: 361,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,120.54 : 586,622.93 = 261,751.10 : x
  2. Step 2: Convert to fraction form
    425,120.54/586,622.93 = 261,751.10/x
  3. Step 3: Cross multiply
    425,120.54x = 586,622.93 × 261,751.10
  4. Step 4: Simplify right side
    425,120.54x = 153,549,192,970.85
  5. Step 5: Solve for x
    x = 153,549,192,970.85/425,120.54
  6. Step 6: Final answer
    x = 361,189.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.