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Finding the Fourth Proportional to 968,871.32, 1,452,883.32 and 488,803.76

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Solution

The fourth proportional to 968,871.32, 1,452,883.32 and 488,803.76 is: 732,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,871.32 : 1,452,883.32 = 488,803.76 : x
  2. Step 2: Convert to fraction form
    968,871.32/1,452,883.32 = 488,803.76/x
  3. Step 3: Cross multiply
    968,871.32x = 1,452,883.32 × 488,803.76
  4. Step 4: Simplify right side
    968,871.32x = 710,174,829,657.28
  5. Step 5: Solve for x
    x = 710,174,829,657.28/968,871.32
  6. Step 6: Final answer
    x = 732,991.90

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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.