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Finding the Fourth Proportional to 341,430.60, 512,145.90 and 181,998.30

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Solution

The fourth proportional to 341,430.60, 512,145.90 and 181,998.30 is: 272,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430.60 : 512,145.90 = 181,998.30 : x
  2. Step 2: Convert to fraction form
    341,430.60/512,145.90 = 181,998.30/x
  3. Step 3: Cross multiply
    341,430.60x = 512,145.90 × 181,998.30
  4. Step 4: Simplify right side
    341,430.60x = 93,209,683,151.97
  5. Step 5: Solve for x
    x = 93,209,683,151.97/341,430.60
  6. Step 6: Final answer
    x = 272,997.45

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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.