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Finding the Fourth Proportional to 404,400.60, 558,083.51 and 223,114.90

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Solution

The fourth proportional to 404,400.60, 558,083.51 and 223,114.90 is: 307,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,400.60 : 558,083.51 = 223,114.90 : x
  2. Step 2: Convert to fraction form
    404,400.60/558,083.51 = 223,114.90/x
  3. Step 3: Cross multiply
    404,400.60x = 558,083.51 × 223,114.90
  4. Step 4: Simplify right side
    404,400.60x = 124,516,746,525.30
  5. Step 5: Solve for x
    x = 124,516,746,525.30/404,400.60
  6. Step 6: Final answer
    x = 307,904.46

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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.