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Finding the Fourth Proportional to 295,477.30, 442,927.95 and 168,987.70

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Solution

The fourth proportional to 295,477.30, 442,927.95 and 168,987.70 is: 253,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,477.30 : 442,927.95 = 168,987.70 : x
  2. Step 2: Convert to fraction form
    295,477.30/442,927.95 = 168,987.70/x
  3. Step 3: Cross multiply
    295,477.30x = 442,927.95 × 168,987.70
  4. Step 4: Simplify right side
    295,477.30x = 74,849,375,536.22
  5. Step 5: Solve for x
    x = 74,849,375,536.22/295,477.30
  6. Step 6: Final answer
    x = 253,316.84

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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.