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Finding the Fourth Proportional to 495,352.07, 742,793.88 and 191,888.35

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Solution

The fourth proportional to 495,352.07, 742,793.88 and 191,888.35 is: 287,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,352.07 : 742,793.88 = 191,888.35 : x
  2. Step 2: Convert to fraction form
    495,352.07/742,793.88 = 191,888.35/x
  3. Step 3: Cross multiply
    495,352.07x = 742,793.88 × 191,888.35
  4. Step 4: Simplify right side
    495,352.07x = 142,533,491,895.63
  5. Step 5: Solve for x
    x = 142,533,491,895.63/495,352.07
  6. Step 6: Final answer
    x = 287,741.79

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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.