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Finding the Fourth Proportional to 625,339.51, 938,064.61 and 176,064.23

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Solution

The fourth proportional to 625,339.51, 938,064.61 and 176,064.23 is: 264,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,339.51 : 938,064.61 = 176,064.23 : x
  2. Step 2: Convert to fraction form
    625,339.51/938,064.61 = 176,064.23/x
  3. Step 3: Cross multiply
    625,339.51x = 938,064.61 × 176,064.23
  4. Step 4: Simplify right side
    625,339.51x = 165,159,625,815.14
  5. Step 5: Solve for x
    x = 165,159,625,815.14/625,339.51
  6. Step 6: Final answer
    x = 264,111.93

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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.