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Finding the Fourth Proportional to 648,167.60, 972,251.40 and 174,900.80

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Solution

The fourth proportional to 648,167.60, 972,251.40 and 174,900.80 is: 262,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,167.60 : 972,251.40 = 174,900.80 : x
  2. Step 2: Convert to fraction form
    648,167.60/972,251.40 = 174,900.80/x
  3. Step 3: Cross multiply
    648,167.60x = 972,251.40 × 174,900.80
  4. Step 4: Simplify right side
    648,167.60x = 170,047,547,661.12
  5. Step 5: Solve for x
    x = 170,047,547,661.12/648,167.60
  6. Step 6: Final answer
    x = 262,351.20

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Similar ratio
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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.