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Finding the Fourth Proportional to 343,185.75, 514,958.13 and 249,192.36

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Solution

The fourth proportional to 343,185.75, 514,958.13 and 249,192.36 is: 373,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,185.75 : 514,958.13 = 249,192.36 : x
  2. Step 2: Convert to fraction form
    343,185.75/514,958.13 = 249,192.36/x
  3. Step 3: Cross multiply
    343,185.75x = 514,958.13 × 249,192.36
  4. Step 4: Simplify right side
    343,185.75x = 128,323,631,715.89
  5. Step 5: Solve for x
    x = 128,323,631,715.89/343,185.75
  6. Step 6: Final answer
    x = 373,918.88

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1.5x scale

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.