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Finding the Fourth Proportional to 648,573.78, 972,882.54 and 175,263.24

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Solution

The fourth proportional to 648,573.78, 972,882.54 and 175,263.24 is: 262,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,573.78 : 972,882.54 = 175,263.24 : x
  2. Step 2: Convert to fraction form
    648,573.78/972,882.54 = 175,263.24/x
  3. Step 3: Cross multiply
    648,573.78x = 972,882.54 × 175,263.24
  4. Step 4: Simplify right side
    648,573.78x = 170,510,546,099.83
  5. Step 5: Solve for x
    x = 170,510,546,099.83/648,573.78
  6. Step 6: Final answer
    x = 262,900.77

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1.5x scale

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.