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Finding the Fourth Proportional to 542,066.58, 813,401.19 and 242,535.06

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Solution

The fourth proportional to 542,066.58, 813,401.19 and 242,535.06 is: 363,937.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,066.58 : 813,401.19 = 242,535.06 : x
  2. Step 2: Convert to fraction form
    542,066.58/813,401.19 = 242,535.06/x
  3. Step 3: Cross multiply
    542,066.58x = 813,401.19 × 242,535.06
  4. Step 4: Simplify right side
    542,066.58x = 197,278,306,420.72
  5. Step 5: Solve for x
    x = 197,278,306,420.72/542,066.58
  6. Step 6: Final answer
    x = 363,937.41

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1.5x scale

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.