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Finding the Fourth Proportional to 534,393.69, 737,443.44 and 292,678.25

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Solution

The fourth proportional to 534,393.69, 737,443.44 and 292,678.25 is: 403,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,393.69 : 737,443.44 = 292,678.25 : x
  2. Step 2: Convert to fraction form
    534,393.69/737,443.44 = 292,678.25/x
  3. Step 3: Cross multiply
    534,393.69x = 737,443.44 × 292,678.25
  4. Step 4: Simplify right side
    534,393.69x = 215,833,651,805.96
  5. Step 5: Solve for x
    x = 215,833,651,805.96/534,393.69
  6. Step 6: Final answer
    x = 403,885.11

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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.