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Finding the Fourth Proportional to 495,545.51, 743,572.50 and 242,821.25

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Solution

The fourth proportional to 495,545.51, 743,572.50 and 242,821.25 is: 364,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,545.51 : 743,572.50 = 242,821.25 : x
  2. Step 2: Convert to fraction form
    495,545.51/743,572.50 = 242,821.25/x
  3. Step 3: Cross multiply
    495,545.51x = 743,572.50 × 242,821.25
  4. Step 4: Simplify right side
    495,545.51x = 180,555,203,915.63
  5. Step 5: Solve for x
    x = 180,555,203,915.63/495,545.51
  6. Step 6: Final answer
    x = 364,356.45

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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.