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Finding the Fourth Proportional to 249,132.30, 347,997.90 and 249,132.30

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Solution

The fourth proportional to 249,132.30, 347,997.90 and 249,132.30 is: 347,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,132.30 : 347,997.90 = 249,132.30 : x
  2. Step 2: Convert to fraction form
    249,132.30/347,997.90 = 249,132.30/x
  3. Step 3: Cross multiply
    249,132.30x = 347,997.90 × 249,132.30
  4. Step 4: Simplify right side
    249,132.30x = 86,697,517,222.17
  5. Step 5: Solve for x
    x = 86,697,517,222.17/249,132.30
  6. Step 6: Final answer
    x = 347,997.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.