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Finding the Fourth Proportional to 553,819.41, 832,463.19 and 365,490.02

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Solution

The fourth proportional to 553,819.41, 832,463.19 and 365,490.02 is: 549,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,819.41 : 832,463.19 = 365,490.02 : x
  2. Step 2: Convert to fraction form
    553,819.41/832,463.19 = 365,490.02/x
  3. Step 3: Cross multiply
    553,819.41x = 832,463.19 × 365,490.02
  4. Step 4: Simplify right side
    553,819.41x = 304,256,986,134.91
  5. Step 5: Solve for x
    x = 304,256,986,134.91/553,819.41
  6. Step 6: Final answer
    x = 549,379.42

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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.