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Finding the Fourth Proportional to 266,903.54, 368,328.02 and 144,395.55

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Solution

The fourth proportional to 266,903.54, 368,328.02 and 144,395.55 is: 199,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,903.54 : 368,328.02 = 144,395.55 : x
  2. Step 2: Convert to fraction form
    266,903.54/368,328.02 = 144,395.55/x
  3. Step 3: Cross multiply
    266,903.54x = 368,328.02 × 144,395.55
  4. Step 4: Simplify right side
    266,903.54x = 53,184,927,028.31
  5. Step 5: Solve for x
    x = 53,184,927,028.31/266,903.54
  6. Step 6: Final answer
    x = 199,266.47

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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.