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Finding the Fourth Proportional to 272,998.60, 409,740.90 and 160,538.20

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Solution

The fourth proportional to 272,998.60, 409,740.90 and 160,538.20 is: 240,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,998.60 : 409,740.90 = 160,538.20 : x
  2. Step 2: Convert to fraction form
    272,998.60/409,740.90 = 160,538.20/x
  3. Step 3: Cross multiply
    272,998.60x = 409,740.90 × 160,538.20
  4. Step 4: Simplify right side
    272,998.60x = 65,779,066,552.38
  5. Step 5: Solve for x
    x = 65,779,066,552.38/272,998.60
  6. Step 6: Final answer
    x = 240,950.20

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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.