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Finding the Fourth Proportional to 228,860.34, 343,041.18 and 195,479.16

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Solution

The fourth proportional to 228,860.34, 343,041.18 and 195,479.16 is: 293,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,860.34 : 343,041.18 = 195,479.16 : x
  2. Step 2: Convert to fraction form
    228,860.34/343,041.18 = 195,479.16/x
  3. Step 3: Cross multiply
    228,860.34x = 343,041.18 × 195,479.16
  4. Step 4: Simplify right side
    228,860.34x = 67,057,401,711.81
  5. Step 5: Solve for x
    x = 67,057,401,711.81/228,860.34
  6. Step 6: Final answer
    x = 293,005.78

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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.