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Finding the Fourth Proportional to 370,921.02, 555,745.92 and 249,113.22

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Solution

The fourth proportional to 370,921.02, 555,745.92 and 249,113.22 is: 373,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,921.02 : 555,745.92 = 249,113.22 : x
  2. Step 2: Convert to fraction form
    370,921.02/555,745.92 = 249,113.22/x
  3. Step 3: Cross multiply
    370,921.02x = 555,745.92 × 249,113.22
  4. Step 4: Simplify right side
    370,921.02x = 138,443,655,633.06
  5. Step 5: Solve for x
    x = 138,443,655,633.06/370,921.02
  6. Step 6: Final answer
    x = 373,242.95

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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.