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Finding the Fourth Proportional to 266,684.70, 368,019.55 and 145,824.71

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Solution

The fourth proportional to 266,684.70, 368,019.55 and 145,824.71 is: 201,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,684.70 : 368,019.55 = 145,824.71 : x
  2. Step 2: Convert to fraction form
    266,684.70/368,019.55 = 145,824.71/x
  3. Step 3: Cross multiply
    266,684.70x = 368,019.55 × 145,824.71
  4. Step 4: Simplify right side
    266,684.70x = 53,666,342,495.26
  5. Step 5: Solve for x
    x = 53,666,342,495.26/266,684.70
  6. Step 6: Final answer
    x = 201,235.17

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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.