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Finding the Fourth Proportional to 330,540.60, 495,873.14 and 235,535.11

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Solution

The fourth proportional to 330,540.60, 495,873.14 and 235,535.11 is: 353,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,540.60 : 495,873.14 = 235,535.11 : x
  2. Step 2: Convert to fraction form
    330,540.60/495,873.14 = 235,535.11/x
  3. Step 3: Cross multiply
    330,540.60x = 495,873.14 × 235,535.11
  4. Step 4: Simplify right side
    330,540.60x = 116,795,533,925.10
  5. Step 5: Solve for x
    x = 116,795,533,925.10/330,540.60
  6. Step 6: Final answer
    x = 353,347.01

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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.