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Finding the Fourth Proportional to 473,295.48, 652,777.56 and 303,545.40

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Solution

The fourth proportional to 473,295.48, 652,777.56 and 303,545.40 is: 418,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,295.48 : 652,777.56 = 303,545.40 : x
  2. Step 2: Convert to fraction form
    473,295.48/652,777.56 = 303,545.40/x
  3. Step 3: Cross multiply
    473,295.48x = 652,777.56 × 303,545.40
  4. Step 4: Simplify right side
    473,295.48x = 198,147,625,561.22
  5. Step 5: Solve for x
    x = 198,147,625,561.22/473,295.48
  6. Step 6: Final answer
    x = 418,655.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.