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Finding the Fourth Proportional to 656,500.48, 984,801.56 and 251,886.40

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Solution

The fourth proportional to 656,500.48, 984,801.56 and 251,886.40 is: 377,849.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,500.48 : 984,801.56 = 251,886.40 : x
  2. Step 2: Convert to fraction form
    656,500.48/984,801.56 = 251,886.40/x
  3. Step 3: Cross multiply
    656,500.48x = 984,801.56 × 251,886.40
  4. Step 4: Simplify right side
    656,500.48x = 248,058,119,662.78
  5. Step 5: Solve for x
    x = 248,058,119,662.78/656,500.48
  6. Step 6: Final answer
    x = 377,849.11

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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.