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Finding the Fourth Proportional to 430,987.08, 594,477.17 and 269,561.87

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Solution

The fourth proportional to 430,987.08, 594,477.17 and 269,561.87 is: 371,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,987.08 : 594,477.17 = 269,561.87 : x
  2. Step 2: Convert to fraction form
    430,987.08/594,477.17 = 269,561.87/x
  3. Step 3: Cross multiply
    430,987.08x = 594,477.17 × 269,561.87
  4. Step 4: Simplify right side
    430,987.08x = 160,248,381,397.68
  5. Step 5: Solve for x
    x = 160,248,381,397.68/430,987.08
  6. Step 6: Final answer
    x = 371,817.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.