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Finding the Fourth Proportional to 625,548, 938,494.80 and 182,316

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Solution

The fourth proportional to 625,548, 938,494.80 and 182,316 is: 273,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,548 : 938,494.80 = 182,316 : x
  2. Step 2: Convert to fraction form
    625,548/938,494.80 = 182,316/x
  3. Step 3: Cross multiply
    625,548x = 938,494.80 × 182,316
  4. Step 4: Simplify right side
    625,548x = 171,102,617,956.80
  5. Step 5: Solve for x
    x = 171,102,617,956.80/625,548
  6. Step 6: Final answer
    x = 273,524.36

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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.