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Finding the Fourth Proportional to 519,777, 717,292.26 and 293,437.08

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Solution

The fourth proportional to 519,777, 717,292.26 and 293,437.08 is: 404,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,777 : 717,292.26 = 293,437.08 : x
  2. Step 2: Convert to fraction form
    519,777/717,292.26 = 293,437.08/x
  3. Step 3: Cross multiply
    519,777x = 717,292.26 × 293,437.08
  4. Step 4: Simplify right side
    519,777x = 210,480,146,281.00
  5. Step 5: Solve for x
    x = 210,480,146,281.00/519,777
  6. Step 6: Final answer
    x = 404,943.17

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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.