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Finding the Fourth Proportional to 306,061.40, 459,092.10 and 181,645.40

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Solution

The fourth proportional to 306,061.40, 459,092.10 and 181,645.40 is: 272,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,061.40 : 459,092.10 = 181,645.40 : x
  2. Step 2: Convert to fraction form
    306,061.40/459,092.10 = 181,645.40/x
  3. Step 3: Cross multiply
    306,061.40x = 459,092.10 × 181,645.40
  4. Step 4: Simplify right side
    306,061.40x = 83,391,968,141.34
  5. Step 5: Solve for x
    x = 83,391,968,141.34/306,061.40
  6. Step 6: Final answer
    x = 272,468.10

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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.