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Finding the Fourth Proportional to 504,895.84, 753,209 and 491,167.96

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Solution

The fourth proportional to 504,895.84, 753,209 and 491,167.96 is: 732,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,895.84 : 753,209 = 491,167.96 : x
  2. Step 2: Convert to fraction form
    504,895.84/753,209 = 491,167.96/x
  3. Step 3: Cross multiply
    504,895.84x = 753,209 × 491,167.96
  4. Step 4: Simplify right side
    504,895.84x = 369,952,127,983.64
  5. Step 5: Solve for x
    x = 369,952,127,983.64/504,895.84
  6. Step 6: Final answer
    x = 732,729.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.