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Finding the Fourth Proportional to 581,603.40, 872,145.90 and 226,499.40

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Solution

The fourth proportional to 581,603.40, 872,145.90 and 226,499.40 is: 339,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,603.40 : 872,145.90 = 226,499.40 : x
  2. Step 2: Convert to fraction form
    581,603.40/872,145.90 = 226,499.40/x
  3. Step 3: Cross multiply
    581,603.40x = 872,145.90 × 226,499.40
  4. Step 4: Simplify right side
    581,603.40x = 197,540,523,062.46
  5. Step 5: Solve for x
    x = 197,540,523,062.46/581,603.40
  6. Step 6: Final answer
    x = 339,648.16

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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.