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Finding the Fourth Proportional to 760,339, 1,140,464.22 and 199,373.32

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Solution

The fourth proportional to 760,339, 1,140,464.22 and 199,373.32 is: 299,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,339 : 1,140,464.22 = 199,373.32 : x
  2. Step 2: Convert to fraction form
    760,339/1,140,464.22 = 199,373.32/x
  3. Step 3: Cross multiply
    760,339x = 1,140,464.22 × 199,373.32
  4. Step 4: Simplify right side
    760,339x = 227,378,137,882.61
  5. Step 5: Solve for x
    x = 227,378,137,882.61/760,339
  6. Step 6: Final answer
    x = 299,048.37

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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.