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Finding the Fourth Proportional to 438,024.87, 604,474.26 and 236,820.87

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Solution

The fourth proportional to 438,024.87, 604,474.26 and 236,820.87 is: 326,812.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,024.87 : 604,474.26 = 236,820.87 : x
  2. Step 2: Convert to fraction form
    438,024.87/604,474.26 = 236,820.87/x
  3. Step 3: Cross multiply
    438,024.87x = 604,474.26 × 236,820.87
  4. Step 4: Simplify right side
    438,024.87x = 143,152,120,145.81
  5. Step 5: Solve for x
    x = 143,152,120,145.81/438,024.87
  6. Step 6: Final answer
    x = 326,812.77

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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.