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Finding the Fourth Proportional to 228,294.76, 315,347.80 and 175,235.44

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Solution

The fourth proportional to 228,294.76, 315,347.80 and 175,235.44 is: 242,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,294.76 : 315,347.80 = 175,235.44 : x
  2. Step 2: Convert to fraction form
    228,294.76/315,347.80 = 175,235.44/x
  3. Step 3: Cross multiply
    228,294.76x = 315,347.80 × 175,235.44
  4. Step 4: Simplify right side
    228,294.76x = 55,260,110,486.03
  5. Step 5: Solve for x
    x = 55,260,110,486.03/228,294.76
  6. Step 6: Final answer
    x = 242,055.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.