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Finding the Fourth Proportional to 536,678.95, 805,120.48 and 181,597.63

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Solution

The fourth proportional to 536,678.95, 805,120.48 and 181,597.63 is: 272,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,678.95 : 805,120.48 = 181,597.63 : x
  2. Step 2: Convert to fraction form
    536,678.95/805,120.48 = 181,597.63/x
  3. Step 3: Cross multiply
    536,678.95x = 805,120.48 × 181,597.63
  4. Step 4: Simplify right side
    536,678.95x = 146,207,967,006.86
  5. Step 5: Solve for x
    x = 146,207,967,006.86/536,678.95
  6. Step 6: Final answer
    x = 272,430.97

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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.