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Finding the Fourth Proportional to 292,711.52, 403,960.56 and 179,518.88

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Solution

The fourth proportional to 292,711.52, 403,960.56 and 179,518.88 is: 247,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,711.52 : 403,960.56 = 179,518.88 : x
  2. Step 2: Convert to fraction form
    292,711.52/403,960.56 = 179,518.88/x
  3. Step 3: Cross multiply
    292,711.52x = 403,960.56 × 179,518.88
  4. Step 4: Simplify right side
    292,711.52x = 72,518,547,295.37
  5. Step 5: Solve for x
    x = 72,518,547,295.37/292,711.52
  6. Step 6: Final answer
    x = 247,747.50

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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.