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Finding the Fourth Proportional to 495,347.52, 742,512.96 and 195,706.56

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Solution

The fourth proportional to 495,347.52, 742,512.96 and 195,706.56 is: 293,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,347.52 : 742,512.96 = 195,706.56 : x
  2. Step 2: Convert to fraction form
    495,347.52/742,512.96 = 195,706.56/x
  3. Step 3: Cross multiply
    495,347.52x = 742,512.96 × 195,706.56
  4. Step 4: Simplify right side
    495,347.52x = 145,314,657,157.02
  5. Step 5: Solve for x
    x = 145,314,657,157.02/495,347.52
  6. Step 6: Final answer
    x = 293,359.01

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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.