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Finding the Fourth Proportional to 473,215.80, 710,342.10 and 263,263.80

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Solution

The fourth proportional to 473,215.80, 710,342.10 and 263,263.80 is: 395,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,215.80 : 710,342.10 = 263,263.80 : x
  2. Step 2: Convert to fraction form
    473,215.80/710,342.10 = 263,263.80/x
  3. Step 3: Cross multiply
    473,215.80x = 710,342.10 × 263,263.80
  4. Step 4: Simplify right side
    473,215.80x = 187,007,360,545.98
  5. Step 5: Solve for x
    x = 187,007,360,545.98/473,215.80
  6. Step 6: Final answer
    x = 395,184.10

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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.