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Finding the Fourth Proportional to 495,178.93, 742,875.01 and 153,615.44

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Solution

The fourth proportional to 495,178.93, 742,875.01 and 153,615.44 is: 230,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,178.93 : 742,875.01 = 153,615.44 : x
  2. Step 2: Convert to fraction form
    495,178.93/742,875.01 = 153,615.44/x
  3. Step 3: Cross multiply
    495,178.93x = 742,875.01 × 153,615.44
  4. Step 4: Simplify right side
    495,178.93x = 114,117,068,003.80
  5. Step 5: Solve for x
    x = 114,117,068,003.80/495,178.93
  6. Step 6: Final answer
    x = 230,456.23

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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.