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Finding the Fourth Proportional to 536,681.62, 804,899.40 and 320,601.24

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Solution

The fourth proportional to 536,681.62, 804,899.40 and 320,601.24 is: 480,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,681.62 : 804,899.40 = 320,601.24 : x
  2. Step 2: Convert to fraction form
    536,681.62/804,899.40 = 320,601.24/x
  3. Step 3: Cross multiply
    536,681.62x = 804,899.40 × 320,601.24
  4. Step 4: Simplify right side
    536,681.62x = 258,051,747,218.07
  5. Step 5: Solve for x
    x = 258,051,747,218.07/536,681.62
  6. Step 6: Final answer
    x = 480,828.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.