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Finding the Fourth Proportional to 473,948.79, 653,889.65 and 269,855.37

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Solution

The fourth proportional to 473,948.79, 653,889.65 and 269,855.37 is: 372,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,948.79 : 653,889.65 = 269,855.37 : x
  2. Step 2: Convert to fraction form
    473,948.79/653,889.65 = 269,855.37/x
  3. Step 3: Cross multiply
    473,948.79x = 653,889.65 × 269,855.37
  4. Step 4: Simplify right side
    473,948.79x = 176,455,635,068.16
  5. Step 5: Solve for x
    x = 176,455,635,068.16/473,948.79
  6. Step 6: Final answer
    x = 372,309.49

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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.