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Finding the Fourth Proportional to 541,782.84, 812,703.42 and 225,921.72

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Solution

The fourth proportional to 541,782.84, 812,703.42 and 225,921.72 is: 338,894.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,782.84 : 812,703.42 = 225,921.72 : x
  2. Step 2: Convert to fraction form
    541,782.84/812,703.42 = 225,921.72/x
  3. Step 3: Cross multiply
    541,782.84x = 812,703.42 × 225,921.72
  4. Step 4: Simplify right side
    541,782.84x = 183,607,354,496.28
  5. Step 5: Solve for x
    x = 183,607,354,496.28/541,782.84
  6. Step 6: Final answer
    x = 338,894.74

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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.