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Finding the Fourth Proportional to 292,330.37, 403,415.69 and 158,194.37

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Solution

The fourth proportional to 292,330.37, 403,415.69 and 158,194.37 is: 218,308.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,330.37 : 403,415.69 = 158,194.37 : x
  2. Step 2: Convert to fraction form
    292,330.37/403,415.69 = 158,194.37/x
  3. Step 3: Cross multiply
    292,330.37x = 403,415.69 × 158,194.37
  4. Step 4: Simplify right side
    292,330.37x = 63,818,090,136.69
  5. Step 5: Solve for x
    x = 63,818,090,136.69/292,330.37
  6. Step 6: Final answer
    x = 218,308.11

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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.