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Finding the Fourth Proportional to 385,825.61, 532,324.04 and 249,643.87

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Solution

The fourth proportional to 385,825.61, 532,324.04 and 249,643.87 is: 344,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,825.61 : 532,324.04 = 249,643.87 : x
  2. Step 2: Convert to fraction form
    385,825.61/532,324.04 = 249,643.87/x
  3. Step 3: Cross multiply
    385,825.61x = 532,324.04 × 249,643.87
  4. Step 4: Simplify right side
    385,825.61x = 132,891,430,860.61
  5. Step 5: Solve for x
    x = 132,891,430,860.61/385,825.61
  6. Step 6: Final answer
    x = 344,433.93

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1.5x scale

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.