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Finding the Fourth Proportional to 461,526.23, 636,843.22 and 257,551.11

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Solution

The fourth proportional to 461,526.23, 636,843.22 and 257,551.11 is: 355,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,526.23 : 636,843.22 = 257,551.11 : x
  2. Step 2: Convert to fraction form
    461,526.23/636,843.22 = 257,551.11/x
  3. Step 3: Cross multiply
    461,526.23x = 636,843.22 × 257,551.11
  4. Step 4: Simplify right side
    461,526.23x = 164,019,677,563.10
  5. Step 5: Solve for x
    x = 164,019,677,563.10/461,526.23
  6. Step 6: Final answer
    x = 355,385.38

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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.