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Finding the Fourth Proportional to 503,575.08, 755,141.13 and 266,862.40

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Solution

The fourth proportional to 503,575.08, 755,141.13 and 266,862.40 is: 400,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,575.08 : 755,141.13 = 266,862.40 : x
  2. Step 2: Convert to fraction form
    503,575.08/755,141.13 = 266,862.40/x
  3. Step 3: Cross multiply
    503,575.08x = 755,141.13 × 266,862.40
  4. Step 4: Simplify right side
    503,575.08x = 201,518,772,402.66
  5. Step 5: Solve for x
    x = 201,518,772,402.66/503,575.08
  6. Step 6: Final answer
    x = 400,176.22

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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.