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Finding the Fourth Proportional to 341,430.10, 512,145.15 and 181,997.80

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Solution

The fourth proportional to 341,430.10, 512,145.15 and 181,997.80 is: 272,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430.10 : 512,145.15 = 181,997.80 : x
  2. Step 2: Convert to fraction form
    341,430.10/512,145.15 = 181,997.80/x
  3. Step 3: Cross multiply
    341,430.10x = 512,145.15 × 181,997.80
  4. Step 4: Simplify right side
    341,430.10x = 93,209,290,580.67
  5. Step 5: Solve for x
    x = 93,209,290,580.67/341,430.10
  6. Step 6: Final answer
    x = 272,996.70

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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.