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Finding the Fourth Proportional to 292,357.53, 403,453.44 and 158,221.53

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Solution

The fourth proportional to 292,357.53, 403,453.44 and 158,221.53 is: 218,345.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,357.53 : 403,453.44 = 158,221.53 : x
  2. Step 2: Convert to fraction form
    292,357.53/403,453.44 = 158,221.53/x
  3. Step 3: Cross multiply
    292,357.53x = 403,453.44 × 158,221.53
  4. Step 4: Simplify right side
    292,357.53x = 63,835,020,560.56
  5. Step 5: Solve for x
    x = 63,835,020,560.56/292,357.53
  6. Step 6: Final answer
    x = 218,345.74

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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.