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Finding the Fourth Proportional to 331,572.90, 497,359.35 and 248,628.90

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Solution

The fourth proportional to 331,572.90, 497,359.35 and 248,628.90 is: 372,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,572.90 : 497,359.35 = 248,628.90 : x
  2. Step 2: Convert to fraction form
    331,572.90/497,359.35 = 248,628.90/x
  3. Step 3: Cross multiply
    331,572.90x = 497,359.35 × 248,628.90
  4. Step 4: Simplify right side
    331,572.90x = 123,657,908,095.22
  5. Step 5: Solve for x
    x = 123,657,908,095.22/331,572.90
  6. Step 6: Final answer
    x = 372,943.35

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Similar ratio
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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.