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Finding the Fourth Proportional to 3,445,398.03, 4,754,649.35 and 1,917,866.01

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Solution

The fourth proportional to 3,445,398.03, 4,754,649.35 and 1,917,866.01 is: 2,646,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,398.03 : 4,754,649.35 = 1,917,866.01 : x
  2. Step 2: Convert to fraction form
    3,445,398.03/4,754,649.35 = 1,917,866.01/x
  3. Step 3: Cross multiply
    3,445,398.03x = 4,754,649.35 × 1,917,866.01
  4. Step 4: Simplify right side
    3,445,398.03x = 9,118,780,368,244.26
  5. Step 5: Solve for x
    x = 9,118,780,368,244.26/3,445,398.03
  6. Step 6: Final answer
    x = 2,646,655.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.