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Finding the Fourth Proportional to 288,440.40, 432,660.60 and 164,024.40

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Solution

The fourth proportional to 288,440.40, 432,660.60 and 164,024.40 is: 246,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,440.40 : 432,660.60 = 164,024.40 : x
  2. Step 2: Convert to fraction form
    288,440.40/432,660.60 = 164,024.40/x
  3. Step 3: Cross multiply
    288,440.40x = 432,660.60 × 164,024.40
  4. Step 4: Simplify right side
    288,440.40x = 70,966,895,318.64
  5. Step 5: Solve for x
    x = 70,966,895,318.64/288,440.40
  6. Step 6: Final answer
    x = 246,036.60

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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.