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Finding the Fourth Proportional to 549,037.56, 823,792.98 and 212,315.16

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Solution

The fourth proportional to 549,037.56, 823,792.98 and 212,315.16 is: 318,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,037.56 : 823,792.98 = 212,315.16 : x
  2. Step 2: Convert to fraction form
    549,037.56/823,792.98 = 212,315.16/x
  3. Step 3: Cross multiply
    549,037.56x = 823,792.98 × 212,315.16
  4. Step 4: Simplify right side
    549,037.56x = 174,903,738,355.58
  5. Step 5: Solve for x
    x = 174,903,738,355.58/549,037.56
  6. Step 6: Final answer
    x = 318,564.25

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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.