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Finding the Fourth Proportional to 342,903.96, 473,371.56 and 228,373.20

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Solution

The fourth proportional to 342,903.96, 473,371.56 and 228,373.20 is: 315,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,903.96 : 473,371.56 = 228,373.20 : x
  2. Step 2: Convert to fraction form
    342,903.96/473,371.56 = 228,373.20/x
  3. Step 3: Cross multiply
    342,903.96x = 473,371.56 × 228,373.20
  4. Step 4: Simplify right side
    342,903.96x = 108,105,377,946.19
  5. Step 5: Solve for x
    x = 108,105,377,946.19/342,903.96
  6. Step 6: Final answer
    x = 315,264.30

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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.