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Finding the Fourth Proportional to 493,883.18, 740,952.60 and 152,319.06

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Solution

The fourth proportional to 493,883.18, 740,952.60 and 152,319.06 is: 228,518.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,883.18 : 740,952.60 = 152,319.06 : x
  2. Step 2: Convert to fraction form
    493,883.18/740,952.60 = 152,319.06/x
  3. Step 3: Cross multiply
    493,883.18x = 740,952.60 × 152,319.06
  4. Step 4: Simplify right side
    493,883.18x = 112,861,203,536.56
  5. Step 5: Solve for x
    x = 112,861,203,536.56/493,883.18
  6. Step 6: Final answer
    x = 228,518.01

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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.