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Finding the Fourth Proportional to 1,301,663.20, 1,751,646.60 and 1,301,663.20

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Solution

The fourth proportional to 1,301,663.20, 1,751,646.60 and 1,301,663.20 is: 1,751,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,663.20 : 1,751,646.60 = 1,301,663.20 : x
  2. Step 2: Convert to fraction form
    1,301,663.20/1,751,646.60 = 1,301,663.20/x
  3. Step 3: Cross multiply
    1,301,663.20x = 1,751,646.60 × 1,301,663.20
  4. Step 4: Simplify right side
    1,301,663.20x = 2,280,053,918,625.12
  5. Step 5: Solve for x
    x = 2,280,053,918,625.12/1,301,663.20
  6. Step 6: Final answer
    x = 1,751,646.60

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.