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Finding the Fourth Proportional to 319,695.86, 479,755.55 and 175,702.22

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Solution

The fourth proportional to 319,695.86, 479,755.55 and 175,702.22 is: 263,669.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.86 : 479,755.55 = 175,702.22 : x
  2. Step 2: Convert to fraction form
    319,695.86/479,755.55 = 175,702.22/x
  3. Step 3: Cross multiply
    319,695.86x = 479,755.55 × 175,702.22
  4. Step 4: Simplify right side
    319,695.86x = 84,294,116,830.97
  5. Step 5: Solve for x
    x = 84,294,116,830.97/319,695.86
  6. Step 6: Final answer
    x = 263,669.72

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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.