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Finding the Fourth Proportional to 616,041.72, 922,752.41 and 295,721.39

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Solution

The fourth proportional to 616,041.72, 922,752.41 and 295,721.39 is: 442,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,041.72 : 922,752.41 = 295,721.39 : x
  2. Step 2: Convert to fraction form
    616,041.72/922,752.41 = 295,721.39/x
  3. Step 3: Cross multiply
    616,041.72x = 922,752.41 × 295,721.39
  4. Step 4: Simplify right side
    616,041.72x = 272,877,619,218.68
  5. Step 5: Solve for x
    x = 272,877,619,218.68/616,041.72
  6. Step 6: Final answer
    x = 442,953.15

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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.