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Finding the Fourth Proportional to 400,015.61, 600,024 and 163,358.30

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Solution

The fourth proportional to 400,015.61, 600,024 and 163,358.30 is: 245,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,015.61 : 600,024 = 163,358.30 : x
  2. Step 2: Convert to fraction form
    400,015.61/600,024 = 163,358.30/x
  3. Step 3: Cross multiply
    400,015.61x = 600,024 × 163,358.30
  4. Step 4: Simplify right side
    400,015.61x = 98,018,897,599.08
  5. Step 5: Solve for x
    x = 98,018,897,599.08/400,015.61
  6. Step 6: Final answer
    x = 245,037.68

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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.