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Finding the Fourth Proportional to 549,414.71, 822,645.54 and 348,648.11

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Solution

The fourth proportional to 549,414.71, 822,645.54 and 348,648.11 is: 522,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,414.71 : 822,645.54 = 348,648.11 : x
  2. Step 2: Convert to fraction form
    549,414.71/822,645.54 = 348,648.11/x
  3. Step 3: Cross multiply
    549,414.71x = 822,645.54 × 348,648.11
  4. Step 4: Simplify right side
    549,414.71x = 286,813,812,720.93
  5. Step 5: Solve for x
    x = 286,813,812,720.93/549,414.71
  6. Step 6: Final answer
    x = 522,035.19

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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.