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Finding the Fourth Proportional to 266,412.34, 367,649.34 and 145,555.66

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Solution

The fourth proportional to 266,412.34, 367,649.34 and 145,555.66 is: 200,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,412.34 : 367,649.34 = 145,555.66 : x
  2. Step 2: Convert to fraction form
    266,412.34/367,649.34 = 145,555.66/x
  3. Step 3: Cross multiply
    266,412.34x = 367,649.34 × 145,555.66
  4. Step 4: Simplify right side
    266,412.34x = 53,513,442,332.26
  5. Step 5: Solve for x
    x = 53,513,442,332.26/266,412.34
  6. Step 6: Final answer
    x = 200,866.98

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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.