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Finding the Fourth Proportional to 495,360.98, 742,807.26 and 191,897.28

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Solution

The fourth proportional to 495,360.98, 742,807.26 and 191,897.28 is: 287,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,360.98 : 742,807.26 = 191,897.28 : x
  2. Step 2: Convert to fraction form
    495,360.98/742,807.26 = 191,897.28/x
  3. Step 3: Cross multiply
    495,360.98x = 742,807.26 × 191,897.28
  4. Step 4: Simplify right side
    495,360.98x = 142,542,692,758.25
  5. Step 5: Solve for x
    x = 142,542,692,758.25/495,360.98
  6. Step 6: Final answer
    x = 287,755.19

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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.