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Finding the Fourth Proportional to 520,203.33, 717,845.90 and 293,834.25

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Solution

The fourth proportional to 520,203.33, 717,845.90 and 293,834.25 is: 405,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,203.33 : 717,845.90 = 293,834.25 : x
  2. Step 2: Convert to fraction form
    520,203.33/717,845.90 = 293,834.25/x
  3. Step 3: Cross multiply
    520,203.33x = 717,845.90 × 293,834.25
  4. Step 4: Simplify right side
    520,203.33x = 210,927,710,172.90
  5. Step 5: Solve for x
    x = 210,927,710,172.90/520,203.33
  6. Step 6: Final answer
    x = 405,471.66

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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.