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Finding the Fourth Proportional to 371,752.14, 513,008.26 and 210,603.04

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Solution

The fourth proportional to 371,752.14, 513,008.26 and 210,603.04 is: 290,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,752.14 : 513,008.26 = 210,603.04 : x
  2. Step 2: Convert to fraction form
    371,752.14/513,008.26 = 210,603.04/x
  3. Step 3: Cross multiply
    371,752.14x = 513,008.26 × 210,603.04
  4. Step 4: Simplify right side
    371,752.14x = 108,041,099,101.11
  5. Step 5: Solve for x
    x = 108,041,099,101.11/371,752.14
  6. Step 6: Final answer
    x = 290,626.70

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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.