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Finding the Fourth Proportional to 474,445.90, 711,557.07 and 174,763.72

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Solution

The fourth proportional to 474,445.90, 711,557.07 and 174,763.72 is: 262,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,445.90 : 711,557.07 = 174,763.72 : x
  2. Step 2: Convert to fraction form
    474,445.90/711,557.07 = 174,763.72/x
  3. Step 3: Cross multiply
    474,445.90x = 711,557.07 × 174,763.72
  4. Step 4: Simplify right side
    474,445.90x = 124,354,360,545.50
  5. Step 5: Solve for x
    x = 124,354,360,545.50/474,445.90
  6. Step 6: Final answer
    x = 262,104.41

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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.