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Finding the Fourth Proportional to 267,223.92, 368,677.47 and 152,420.07

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Solution

The fourth proportional to 267,223.92, 368,677.47 and 152,420.07 is: 210,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,223.92 : 368,677.47 = 152,420.07 : x
  2. Step 2: Convert to fraction form
    267,223.92/368,677.47 = 152,420.07/x
  3. Step 3: Cross multiply
    267,223.92x = 368,677.47 × 152,420.07
  4. Step 4: Simplify right side
    267,223.92x = 56,193,845,784.82
  5. Step 5: Solve for x
    x = 56,193,845,784.82/267,223.92
  6. Step 6: Final answer
    x = 210,287.48

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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.