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Finding the Fourth Proportional to 569,641.77, 854,545.58 and 209,984.76

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Solution

The fourth proportional to 569,641.77, 854,545.58 and 209,984.76 is: 315,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,641.77 : 854,545.58 = 209,984.76 : x
  2. Step 2: Convert to fraction form
    569,641.77/854,545.58 = 209,984.76/x
  3. Step 3: Cross multiply
    569,641.77x = 854,545.58 × 209,984.76
  4. Step 4: Simplify right side
    569,641.77x = 179,441,547,475.44
  5. Step 5: Solve for x
    x = 179,441,547,475.44/569,641.77
  6. Step 6: Final answer
    x = 315,007.71

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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.