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Finding the Fourth Proportional to 411,118.65, 567,312.39 and 249,951.33

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Solution

The fourth proportional to 411,118.65, 567,312.39 and 249,951.33 is: 344,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,118.65 : 567,312.39 = 249,951.33 : x
  2. Step 2: Convert to fraction form
    411,118.65/567,312.39 = 249,951.33/x
  3. Step 3: Cross multiply
    411,118.65x = 567,312.39 × 249,951.33
  4. Step 4: Simplify right side
    411,118.65x = 141,800,486,405.98
  5. Step 5: Solve for x
    x = 141,800,486,405.98/411,118.65
  6. Step 6: Final answer
    x = 344,913.78

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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.