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Finding the Fourth Proportional to 347,726.67, 521,590.01 and 189,869.01

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Solution

The fourth proportional to 347,726.67, 521,590.01 and 189,869.01 is: 284,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,726.67 : 521,590.01 = 189,869.01 : x
  2. Step 2: Convert to fraction form
    347,726.67/521,590.01 = 189,869.01/x
  3. Step 3: Cross multiply
    347,726.67x = 521,590.01 × 189,869.01
  4. Step 4: Simplify right side
    347,726.67x = 99,033,777,875.25
  5. Step 5: Solve for x
    x = 99,033,777,875.25/347,726.67
  6. Step 6: Final answer
    x = 284,803.52

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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.