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Finding the Fourth Proportional to 343,562.34, 473,805.36 and 214,512.45

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Solution

The fourth proportional to 343,562.34, 473,805.36 and 214,512.45 is: 295,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,562.34 : 473,805.36 = 214,512.45 : x
  2. Step 2: Convert to fraction form
    343,562.34/473,805.36 = 214,512.45/x
  3. Step 3: Cross multiply
    343,562.34x = 473,805.36 × 214,512.45
  4. Step 4: Simplify right side
    343,562.34x = 101,637,148,596.73
  5. Step 5: Solve for x
    x = 101,637,148,596.73/343,562.34
  6. Step 6: Final answer
    x = 295,833.21

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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.