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Finding the Fourth Proportional to 266,907.40, 368,329.08 and 146,047.30

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Solution

The fourth proportional to 266,907.40, 368,329.08 and 146,047.30 is: 201,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,907.40 : 368,329.08 = 146,047.30 : x
  2. Step 2: Convert to fraction form
    266,907.40/368,329.08 = 146,047.30/x
  3. Step 3: Cross multiply
    266,907.40x = 368,329.08 × 146,047.30
  4. Step 4: Simplify right side
    266,907.40x = 53,793,467,645.48
  5. Step 5: Solve for x
    x = 53,793,467,645.48/266,907.40
  6. Step 6: Final answer
    x = 201,543.56

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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.