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Finding the Fourth Proportional to 968,602.60, 1,452,903.90 and 758,420.20

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Solution

The fourth proportional to 968,602.60, 1,452,903.90 and 758,420.20 is: 1,137,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,602.60 : 1,452,903.90 = 758,420.20 : x
  2. Step 2: Convert to fraction form
    968,602.60/1,452,903.90 = 758,420.20/x
  3. Step 3: Cross multiply
    968,602.60x = 1,452,903.90 × 758,420.20
  4. Step 4: Simplify right side
    968,602.60x = 1,101,911,666,418.78
  5. Step 5: Solve for x
    x = 1,101,911,666,418.78/968,602.60
  6. Step 6: Final answer
    x = 1,137,630.30

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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.