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Finding the Fourth Proportional to 292,503.78, 403,795.56 and 185,125.86

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Solution

The fourth proportional to 292,503.78, 403,795.56 and 185,125.86 is: 255,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,503.78 : 403,795.56 = 185,125.86 : x
  2. Step 2: Convert to fraction form
    292,503.78/403,795.56 = 185,125.86/x
  3. Step 3: Cross multiply
    292,503.78x = 403,795.56 × 185,125.86
  4. Step 4: Simplify right side
    292,503.78x = 74,753,000,309.18
  5. Step 5: Solve for x
    x = 74,753,000,309.18/292,503.78
  6. Step 6: Final answer
    x = 255,562.51

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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.