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Finding the Fourth Proportional to 473,133.80, 707,972.70 and 348,717.80

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Solution

The fourth proportional to 473,133.80, 707,972.70 and 348,717.80 is: 521,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,133.80 : 707,972.70 = 348,717.80 : x
  2. Step 2: Convert to fraction form
    473,133.80/707,972.70 = 348,717.80/x
  3. Step 3: Cross multiply
    473,133.80x = 707,972.70 × 348,717.80
  4. Step 4: Simplify right side
    473,133.80x = 246,882,682,404.06
  5. Step 5: Solve for x
    x = 246,882,682,404.06/473,133.80
  6. Step 6: Final answer
    x = 521,803.10

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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.