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Finding the Fourth Proportional to 495,662.90, 742,974.51 and 242,594.42

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Solution

The fourth proportional to 495,662.90, 742,974.51 and 242,594.42 is: 363,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,662.90 : 742,974.51 = 242,594.42 : x
  2. Step 2: Convert to fraction form
    495,662.90/742,974.51 = 242,594.42/x
  3. Step 3: Cross multiply
    495,662.90x = 742,974.51 × 242,594.42
  4. Step 4: Simplify right side
    495,662.90x = 180,241,470,328.23
  5. Step 5: Solve for x
    x = 180,241,470,328.23/495,662.90
  6. Step 6: Final answer
    x = 363,637.20

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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.