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Finding the Fourth Proportional to 360,144.65, 497,000.91 and 196,801.16

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Solution

The fourth proportional to 360,144.65, 497,000.91 and 196,801.16 is: 271,586.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,144.65 : 497,000.91 = 196,801.16 : x
  2. Step 2: Convert to fraction form
    360,144.65/497,000.91 = 196,801.16/x
  3. Step 3: Cross multiply
    360,144.65x = 497,000.91 × 196,801.16
  4. Step 4: Simplify right side
    360,144.65x = 97,810,356,657.69
  5. Step 5: Solve for x
    x = 97,810,356,657.69/360,144.65
  6. Step 6: Final answer
    x = 271,586.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.