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Finding the Fourth Proportional to 425,397.16, 587,060.42 and 234,422.84

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Solution

The fourth proportional to 425,397.16, 587,060.42 and 234,422.84 is: 323,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,397.16 : 587,060.42 = 234,422.84 : x
  2. Step 2: Convert to fraction form
    425,397.16/587,060.42 = 234,422.84/x
  3. Step 3: Cross multiply
    425,397.16x = 587,060.42 × 234,422.84
  4. Step 4: Simplify right side
    425,397.16x = 137,620,370,907.99
  5. Step 5: Solve for x
    x = 137,620,370,907.99/425,397.16
  6. Step 6: Final answer
    x = 323,510.32

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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.