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Finding the Fourth Proportional to 614,844.60, 922,266.90 and 361,865.40

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Solution

The fourth proportional to 614,844.60, 922,266.90 and 361,865.40 is: 542,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,844.60 : 922,266.90 = 361,865.40 : x
  2. Step 2: Convert to fraction form
    614,844.60/922,266.90 = 361,865.40/x
  3. Step 3: Cross multiply
    614,844.60x = 922,266.90 × 361,865.40
  4. Step 4: Simplify right side
    614,844.60x = 333,736,480,675.26
  5. Step 5: Solve for x
    x = 333,736,480,675.26/614,844.60
  6. Step 6: Final answer
    x = 542,798.10

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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.