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Finding the Fourth Proportional to 542,479.05, 812,122.29 and 362,117.11

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Solution

The fourth proportional to 542,479.05, 812,122.29 and 362,117.11 is: 542,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,479.05 : 812,122.29 = 362,117.11 : x
  2. Step 2: Convert to fraction form
    542,479.05/812,122.29 = 362,117.11/x
  3. Step 3: Cross multiply
    542,479.05x = 812,122.29 × 362,117.11
  4. Step 4: Simplify right side
    542,479.05x = 294,083,374,848.17
  5. Step 5: Solve for x
    x = 294,083,374,848.17/542,479.05
  6. Step 6: Final answer
    x = 542,110.11

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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.