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Finding the Fourth Proportional to 317,646.61, 476,368.87 and 104,365.36

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Solution

The fourth proportional to 317,646.61, 476,368.87 and 104,365.36 is: 156,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,646.61 : 476,368.87 = 104,365.36 : x
  2. Step 2: Convert to fraction form
    317,646.61/476,368.87 = 104,365.36/x
  3. Step 3: Cross multiply
    317,646.61x = 476,368.87 × 104,365.36
  4. Step 4: Simplify right side
    317,646.61x = 49,716,408,203.12
  5. Step 5: Solve for x
    x = 49,716,408,203.12/317,646.61
  6. Step 6: Final answer
    x = 156,514.84

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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.