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Finding the Fourth Proportional to 495,375.46, 742,558.80 and 195,444.34

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Solution

The fourth proportional to 495,375.46, 742,558.80 and 195,444.34 is: 292,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,375.46 : 742,558.80 = 195,444.34 : x
  2. Step 2: Convert to fraction form
    495,375.46/742,558.80 = 195,444.34/x
  3. Step 3: Cross multiply
    495,375.46x = 742,558.80 × 195,444.34
  4. Step 4: Simplify right side
    495,375.46x = 145,128,914,577.19
  5. Step 5: Solve for x
    x = 145,128,914,577.19/495,375.46
  6. Step 6: Final answer
    x = 292,967.51

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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.