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Finding the Fourth Proportional to 426,847.52, 589,030.70 and 235,856.80

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Solution

The fourth proportional to 426,847.52, 589,030.70 and 235,856.80 is: 325,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,847.52 : 589,030.70 = 235,856.80 : x
  2. Step 2: Convert to fraction form
    426,847.52/589,030.70 = 235,856.80/x
  3. Step 3: Cross multiply
    426,847.52x = 589,030.70 × 235,856.80
  4. Step 4: Simplify right side
    426,847.52x = 138,926,896,003.76
  5. Step 5: Solve for x
    x = 138,926,896,003.76/426,847.52
  6. Step 6: Final answer
    x = 325,471.95

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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.