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Finding the Fourth Proportional to 648,153, 972,226.62 and 174,885.48

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Solution

The fourth proportional to 648,153, 972,226.62 and 174,885.48 is: 262,327.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,153 : 972,226.62 = 174,885.48 : x
  2. Step 2: Convert to fraction form
    648,153/972,226.62 = 174,885.48/x
  3. Step 3: Cross multiply
    648,153x = 972,226.62 × 174,885.48
  4. Step 4: Simplify right side
    648,153x = 170,028,319,107.48
  5. Step 5: Solve for x
    x = 170,028,319,107.48/648,153
  6. Step 6: Final answer
    x = 262,327.44

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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.