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Finding the Fourth Proportional to 296,712.10, 444,871.35 and 163,656.10

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Solution

The fourth proportional to 296,712.10, 444,871.35 and 163,656.10 is: 245,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,712.10 : 444,871.35 = 163,656.10 : x
  2. Step 2: Convert to fraction form
    296,712.10/444,871.35 = 163,656.10/x
  3. Step 3: Cross multiply
    296,712.10x = 444,871.35 × 163,656.10
  4. Step 4: Simplify right side
    296,712.10x = 72,805,910,142.74
  5. Step 5: Solve for x
    x = 72,805,910,142.74/296,712.10
  6. Step 6: Final answer
    x = 245,375.60

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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.