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Finding the Fourth Proportional to 514,067.09, 708,145.00 and 437,340.42

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Solution

The fourth proportional to 514,067.09, 708,145.00 and 437,340.42 is: 602,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,067.09 : 708,145.00 = 437,340.42 : x
  2. Step 2: Convert to fraction form
    514,067.09/708,145.00 = 437,340.42/x
  3. Step 3: Cross multiply
    514,067.09x = 708,145.00 × 437,340.42
  4. Step 4: Simplify right side
    514,067.09x = 309,700,430,627.55
  5. Step 5: Solve for x
    x = 309,700,430,627.55/514,067.09
  6. Step 6: Final answer
    x = 602,451.39

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Double scale
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Similar ratio
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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.