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Finding the Fourth Proportional to 400,065.60, 600,098.40 and 163,252.80

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Solution

The fourth proportional to 400,065.60, 600,098.40 and 163,252.80 is: 244,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,065.60 : 600,098.40 = 163,252.80 : x
  2. Step 2: Convert to fraction form
    400,065.60/600,098.40 = 163,252.80/x
  3. Step 3: Cross multiply
    400,065.60x = 600,098.40 × 163,252.80
  4. Step 4: Simplify right side
    400,065.60x = 97,967,744,075.52
  5. Step 5: Solve for x
    x = 97,967,744,075.52/400,065.60
  6. Step 6: Final answer
    x = 244,879.20

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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.