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Finding the Fourth Proportional to 862,649.08, 1,293,097 and 357,484.90

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Solution

The fourth proportional to 862,649.08, 1,293,097 and 357,484.90 is: 535,864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,649.08 : 1,293,097 = 357,484.90 : x
  2. Step 2: Convert to fraction form
    862,649.08/1,293,097 = 357,484.90/x
  3. Step 3: Cross multiply
    862,649.08x = 1,293,097 × 357,484.90
  4. Step 4: Simplify right side
    862,649.08x = 462,262,651,735.30
  5. Step 5: Solve for x
    x = 462,262,651,735.30/862,649.08
  6. Step 6: Final answer
    x = 535,864.08

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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.