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Finding the Fourth Proportional to 534,549.12, 737,398.16 and 330,534.82

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Solution

The fourth proportional to 534,549.12, 737,398.16 and 330,534.82 is: 455,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,549.12 : 737,398.16 = 330,534.82 : x
  2. Step 2: Convert to fraction form
    534,549.12/737,398.16 = 330,534.82/x
  3. Step 3: Cross multiply
    534,549.12x = 737,398.16 × 330,534.82
  4. Step 4: Simplify right side
    534,549.12x = 243,735,766,431.26
  5. Step 5: Solve for x
    x = 243,735,766,431.26/534,549.12
  6. Step 6: Final answer
    x = 455,965.15

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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.