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Finding the Fourth Proportional to 343,279.22, 514,248.44 and 163,108.22

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Solution

The fourth proportional to 343,279.22, 514,248.44 and 163,108.22 is: 244,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,279.22 : 514,248.44 = 163,108.22 : x
  2. Step 2: Convert to fraction form
    343,279.22/514,248.44 = 163,108.22/x
  3. Step 3: Cross multiply
    343,279.22x = 514,248.44 × 163,108.22
  4. Step 4: Simplify right side
    343,279.22x = 83,878,147,686.18
  5. Step 5: Solve for x
    x = 83,878,147,686.18/343,279.22
  6. Step 6: Final answer
    x = 244,343.80

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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.