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Finding the Fourth Proportional to 249,459.90, 375,874.40 and 206,059.02

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Solution

The fourth proportional to 249,459.90, 375,874.40 and 206,059.02 is: 310,480.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,459.90 : 375,874.40 = 206,059.02 : x
  2. Step 2: Convert to fraction form
    249,459.90/375,874.40 = 206,059.02/x
  3. Step 3: Cross multiply
    249,459.90x = 375,874.40 × 206,059.02
  4. Step 4: Simplify right side
    249,459.90x = 77,452,309,476.79
  5. Step 5: Solve for x
    x = 77,452,309,476.79/249,459.90
  6. Step 6: Final answer
    x = 310,480.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.