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Finding the Fourth Proportional to 425,779.84, 587,568 and 234,810.88

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Solution

The fourth proportional to 425,779.84, 587,568 and 234,810.88 is: 324,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,779.84 : 587,568 = 234,810.88 : x
  2. Step 2: Convert to fraction form
    425,779.84/587,568 = 234,810.88/x
  3. Step 3: Cross multiply
    425,779.84x = 587,568 × 234,810.88
  4. Step 4: Simplify right side
    425,779.84x = 137,967,359,139.84
  5. Step 5: Solve for x
    x = 137,967,359,139.84/425,779.84
  6. Step 6: Final answer
    x = 324,034.50

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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.