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Finding the Fourth Proportional to 535,347.72, 801,618.70 and 376,717.32

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Solution

The fourth proportional to 535,347.72, 801,618.70 and 376,717.32 is: 564,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,347.72 : 801,618.70 = 376,717.32 : x
  2. Step 2: Convert to fraction form
    535,347.72/801,618.70 = 376,717.32/x
  3. Step 3: Cross multiply
    535,347.72x = 801,618.70 × 376,717.32
  4. Step 4: Simplify right side
    535,347.72x = 301,983,648,325.88
  5. Step 5: Solve for x
    x = 301,983,648,325.88/535,347.72
  6. Step 6: Final answer
    x = 564,088.79

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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.