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Finding the Fourth Proportional to 404,587.60, 607,572.60 and 264,965.20

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Solution

The fourth proportional to 404,587.60, 607,572.60 and 264,965.20 is: 397,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,587.60 : 607,572.60 = 264,965.20 : x
  2. Step 2: Convert to fraction form
    404,587.60/607,572.60 = 264,965.20/x
  3. Step 3: Cross multiply
    404,587.60x = 607,572.60 × 264,965.20
  4. Step 4: Simplify right side
    404,587.60x = 160,985,595,473.52
  5. Step 5: Solve for x
    x = 160,985,595,473.52/404,587.60
  6. Step 6: Final answer
    x = 397,900.47

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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.