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Finding the Fourth Proportional to 292,432.77, 403,388.82 and 176,065.34

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Solution

The fourth proportional to 292,432.77, 403,388.82 and 176,065.34 is: 242,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,432.77 : 403,388.82 = 176,065.34 : x
  2. Step 2: Convert to fraction form
    292,432.77/403,388.82 = 176,065.34/x
  3. Step 3: Cross multiply
    292,432.77x = 403,388.82 × 176,065.34
  4. Step 4: Simplify right side
    292,432.77x = 71,022,787,728.55
  5. Step 5: Solve for x
    x = 71,022,787,728.55/292,432.77
  6. Step 6: Final answer
    x = 242,868.77

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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.