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Finding the Fourth Proportional to 292,600.69, 403,788.95 and 158,464.69

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Solution

The fourth proportional to 292,600.69, 403,788.95 and 158,464.69 is: 218,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,600.69 : 403,788.95 = 158,464.69 : x
  2. Step 2: Convert to fraction form
    292,600.69/403,788.95 = 158,464.69/x
  3. Step 3: Cross multiply
    292,600.69x = 403,788.95 × 158,464.69
  4. Step 4: Simplify right side
    292,600.69x = 63,986,289,579.62
  5. Step 5: Solve for x
    x = 63,986,289,579.62/292,600.69
  6. Step 6: Final answer
    x = 218,681.27

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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.