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Finding the Fourth Proportional to 425,011, 586,515.20 and 234,023.92

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Solution

The fourth proportional to 425,011, 586,515.20 and 234,023.92 is: 322,953.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,011 : 586,515.20 = 234,023.92 : x
  2. Step 2: Convert to fraction form
    425,011/586,515.20 = 234,023.92/x
  3. Step 3: Cross multiply
    425,011x = 586,515.20 × 234,023.92
  4. Step 4: Simplify right side
    425,011x = 137,258,586,243.58
  5. Step 5: Solve for x
    x = 137,258,586,243.58/425,011
  6. Step 6: Final answer
    x = 322,953.02

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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.