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Finding the Fourth Proportional to 648,610.47, 968,657.27 and 552,819.87

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Solution

The fourth proportional to 648,610.47, 968,657.27 and 552,819.87 is: 825,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,610.47 : 968,657.27 = 552,819.87 : x
  2. Step 2: Convert to fraction form
    648,610.47/968,657.27 = 552,819.87/x
  3. Step 3: Cross multiply
    648,610.47x = 968,657.27 × 552,819.87
  4. Step 4: Simplify right side
    648,610.47x = 535,492,983,311.86
  5. Step 5: Solve for x
    x = 535,492,983,311.86/648,610.47
  6. Step 6: Final answer
    x = 825,600.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.