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Finding the Fourth Proportional to 565,547.60, 848,029.80 and 210,378.80

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Solution

The fourth proportional to 565,547.60, 848,029.80 and 210,378.80 is: 315,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,547.60 : 848,029.80 = 210,378.80 : x
  2. Step 2: Convert to fraction form
    565,547.60/848,029.80 = 210,378.80/x
  3. Step 3: Cross multiply
    565,547.60x = 848,029.80 × 210,378.80
  4. Step 4: Simplify right side
    565,547.60x = 178,407,491,688.24
  5. Step 5: Solve for x
    x = 178,407,491,688.24/565,547.60
  6. Step 6: Final answer
    x = 315,459.73

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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.