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Finding the Fourth Proportional to 623,791.86, 935,521.74 and 174,484.86

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Solution

The fourth proportional to 623,791.86, 935,521.74 and 174,484.86 is: 261,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,791.86 : 935,521.74 = 174,484.86 : x
  2. Step 2: Convert to fraction form
    623,791.86/935,521.74 = 174,484.86/x
  3. Step 3: Cross multiply
    623,791.86x = 935,521.74 × 174,484.86
  4. Step 4: Simplify right side
    623,791.86x = 163,234,379,830.86
  5. Step 5: Solve for x
    x = 163,234,379,830.86/623,791.86
  6. Step 6: Final answer
    x = 261,680.84

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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.