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Finding the Fourth Proportional to 262,404.20, 393,606.30 and 240,631.40

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Solution

The fourth proportional to 262,404.20, 393,606.30 and 240,631.40 is: 360,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,404.20 : 393,606.30 = 240,631.40 : x
  2. Step 2: Convert to fraction form
    262,404.20/393,606.30 = 240,631.40/x
  3. Step 3: Cross multiply
    262,404.20x = 393,606.30 × 240,631.40
  4. Step 4: Simplify right side
    262,404.20x = 94,714,035,017.82
  5. Step 5: Solve for x
    x = 94,714,035,017.82/262,404.20
  6. Step 6: Final answer
    x = 360,947.10

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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.