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Finding the Fourth Proportional to 755,305.10, 1,132,958 and 249,866.07

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Solution

The fourth proportional to 755,305.10, 1,132,958 and 249,866.07 is: 374,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,305.10 : 1,132,958 = 249,866.07 : x
  2. Step 2: Convert to fraction form
    755,305.10/1,132,958 = 249,866.07/x
  3. Step 3: Cross multiply
    755,305.10x = 1,132,958 × 249,866.07
  4. Step 4: Simplify right side
    755,305.10x = 283,087,762,935.06
  5. Step 5: Solve for x
    x = 283,087,762,935.06/755,305.10
  6. Step 6: Final answer
    x = 374,799.22

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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.