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Finding the Fourth Proportional to 532,663.86, 798,968.61 and 195,678.66

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Solution

The fourth proportional to 532,663.86, 798,968.61 and 195,678.66 is: 293,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,663.86 : 798,968.61 = 195,678.66 : x
  2. Step 2: Convert to fraction form
    532,663.86/798,968.61 = 195,678.66/x
  3. Step 3: Cross multiply
    532,663.86x = 798,968.61 × 195,678.66
  4. Step 4: Simplify right side
    532,663.86x = 156,341,106,986.86
  5. Step 5: Solve for x
    x = 156,341,106,986.86/532,663.86
  6. Step 6: Final answer
    x = 293,508.01

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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.