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Finding the Fourth Proportional to 400,240.02, 600,440.34 and 147,521.76

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Solution

The fourth proportional to 400,240.02, 600,440.34 and 147,521.76 is: 221,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,240.02 : 600,440.34 = 147,521.76 : x
  2. Step 2: Convert to fraction form
    400,240.02/600,440.34 = 147,521.76/x
  3. Step 3: Cross multiply
    400,240.02x = 600,440.34 × 147,521.76
  4. Step 4: Simplify right side
    400,240.02x = 88,578,015,731.80
  5. Step 5: Solve for x
    x = 88,578,015,731.80/400,240.02
  6. Step 6: Final answer
    x = 221,312.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.