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Finding the Fourth Proportional to 295,263.87, 442,681.25 and 117,717.63

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Solution

The fourth proportional to 295,263.87, 442,681.25 and 117,717.63 is: 176,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,263.87 : 442,681.25 = 117,717.63 : x
  2. Step 2: Convert to fraction form
    295,263.87/442,681.25 = 117,717.63/x
  3. Step 3: Cross multiply
    295,263.87x = 442,681.25 × 117,717.63
  4. Step 4: Simplify right side
    295,263.87x = 52,111,387,006.85
  5. Step 5: Solve for x
    x = 52,111,387,006.85/295,263.87
  6. Step 6: Final answer
    x = 176,490.90

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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.