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Finding the Fourth Proportional to 836,924, 1,154,930.78 and 474,381.22

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Solution

The fourth proportional to 836,924, 1,154,930.78 and 474,381.22 is: 654,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,924 : 1,154,930.78 = 474,381.22 : x
  2. Step 2: Convert to fraction form
    836,924/1,154,930.78 = 474,381.22/x
  3. Step 3: Cross multiply
    836,924x = 1,154,930.78 × 474,381.22
  4. Step 4: Simplify right side
    836,924x = 547,877,472,431.95
  5. Step 5: Solve for x
    x = 547,877,472,431.95/836,924
  6. Step 6: Final answer
    x = 654,632.29

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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.