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Finding the Fourth Proportional to 552,659.87, 828,989.80 and 153,300.65

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Solution

The fourth proportional to 552,659.87, 828,989.80 and 153,300.65 is: 229,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,659.87 : 828,989.80 = 153,300.65 : x
  2. Step 2: Convert to fraction form
    552,659.87/828,989.80 = 153,300.65/x
  3. Step 3: Cross multiply
    552,659.87x = 828,989.80 × 153,300.65
  4. Step 4: Simplify right side
    552,659.87x = 127,084,670,655.17
  5. Step 5: Solve for x
    x = 127,084,670,655.17/552,659.87
  6. Step 6: Final answer
    x = 229,950.96

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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.