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Finding the Fourth Proportional to 503,802.80, 755,603.16 and 247,528.40

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Solution

The fourth proportional to 503,802.80, 755,603.16 and 247,528.40 is: 371,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,802.80 : 755,603.16 = 247,528.40 : x
  2. Step 2: Convert to fraction form
    503,802.80/755,603.16 = 247,528.40/x
  3. Step 3: Cross multiply
    503,802.80x = 755,603.16 × 247,528.40
  4. Step 4: Simplify right side
    503,802.80x = 187,033,241,229.74
  5. Step 5: Solve for x
    x = 187,033,241,229.74/503,802.80
  6. Step 6: Final answer
    x = 371,242.96

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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.