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Finding the Fourth Proportional to 404,411.16, 558,083.70 and 223,124.70

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Solution

The fourth proportional to 404,411.16, 558,083.70 and 223,124.70 is: 307,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,411.16 : 558,083.70 = 223,124.70 : x
  2. Step 2: Convert to fraction form
    404,411.16/558,083.70 = 223,124.70/x
  3. Step 3: Cross multiply
    404,411.16x = 558,083.70 × 223,124.70
  4. Step 4: Simplify right side
    404,411.16x = 124,522,258,137.39
  5. Step 5: Solve for x
    x = 124,522,258,137.39/404,411.16
  6. Step 6: Final answer
    x = 307,910.04

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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.