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Finding the Fourth Proportional to 267,637.94, 401,329.80 and 155,352.82

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Solution

The fourth proportional to 267,637.94, 401,329.80 and 155,352.82 is: 232,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,637.94 : 401,329.80 = 155,352.82 : x
  2. Step 2: Convert to fraction form
    267,637.94/401,329.80 = 155,352.82/x
  3. Step 3: Cross multiply
    267,637.94x = 401,329.80 × 155,352.82
  4. Step 4: Simplify right side
    267,637.94x = 62,347,716,180.04
  5. Step 5: Solve for x
    x = 62,347,716,180.04/267,637.94
  6. Step 6: Final answer
    x = 232,955.45

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1.5x scale

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.