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Finding the Fourth Proportional to 626,521.92, 864,601.02 and 340,041.96

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Solution

The fourth proportional to 626,521.92, 864,601.02 and 340,041.96 is: 469,258.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,521.92 : 864,601.02 = 340,041.96 : x
  2. Step 2: Convert to fraction form
    626,521.92/864,601.02 = 340,041.96/x
  3. Step 3: Cross multiply
    626,521.92x = 864,601.02 × 340,041.96
  4. Step 4: Simplify right side
    626,521.92x = 294,000,625,458.80
  5. Step 5: Solve for x
    x = 294,000,625,458.80/626,521.92
  6. Step 6: Final answer
    x = 469,258.32

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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.