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Finding the Fourth Proportional to 343,161.42, 473,574.90 and 207,168.81

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Solution

The fourth proportional to 343,161.42, 473,574.90 and 207,168.81 is: 285,900.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,161.42 : 473,574.90 = 207,168.81 : x
  2. Step 2: Convert to fraction form
    343,161.42/473,574.90 = 207,168.81/x
  3. Step 3: Cross multiply
    343,161.42x = 473,574.90 × 207,168.81
  4. Step 4: Simplify right side
    343,161.42x = 98,109,948,478.87
  5. Step 5: Solve for x
    x = 98,109,948,478.87/343,161.42
  6. Step 6: Final answer
    x = 285,900.29

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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.