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Finding the Fourth Proportional to 424,703.86, 637,060.83 and 144,242.98

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Solution

The fourth proportional to 424,703.86, 637,060.83 and 144,242.98 is: 216,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,703.86 : 637,060.83 = 144,242.98 : x
  2. Step 2: Convert to fraction form
    424,703.86/637,060.83 = 144,242.98/x
  3. Step 3: Cross multiply
    424,703.86x = 637,060.83 × 144,242.98
  4. Step 4: Simplify right side
    424,703.86x = 91,891,552,560.47
  5. Step 5: Solve for x
    x = 91,891,552,560.47/424,703.86
  6. Step 6: Final answer
    x = 216,366.18

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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.