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Finding the Fourth Proportional to 343,012.43, 473,374.04 and 207,044.21

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Solution

The fourth proportional to 343,012.43, 473,374.04 and 207,044.21 is: 285,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,012.43 : 473,374.04 = 207,044.21 : x
  2. Step 2: Convert to fraction form
    343,012.43/473,374.04 = 207,044.21/x
  3. Step 3: Cross multiply
    343,012.43x = 473,374.04 × 207,044.21
  4. Step 4: Simplify right side
    343,012.43x = 98,009,353,111.09
  5. Step 5: Solve for x
    x = 98,009,353,111.09/343,012.43
  6. Step 6: Final answer
    x = 285,731.20

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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.