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Finding the Fourth Proportional to 585,907.50, 808,638.64 and 371,067.54

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Solution

The fourth proportional to 585,907.50, 808,638.64 and 371,067.54 is: 512,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,907.50 : 808,638.64 = 371,067.54 : x
  2. Step 2: Convert to fraction form
    585,907.50/808,638.64 = 371,067.54/x
  3. Step 3: Cross multiply
    585,907.50x = 808,638.64 × 371,067.54
  4. Step 4: Simplify right side
    585,907.50x = 300,059,550,893.75
  5. Step 5: Solve for x
    x = 300,059,550,893.75/585,907.50
  6. Step 6: Final answer
    x = 512,127.85

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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.