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Finding the Fourth Proportional to 749,659, 1,124,469.82 and 350,746.12

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Solution

The fourth proportional to 749,659, 1,124,469.82 and 350,746.12 is: 526,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,659 : 1,124,469.82 = 350,746.12 : x
  2. Step 2: Convert to fraction form
    749,659/1,124,469.82 = 350,746.12/x
  3. Step 3: Cross multiply
    749,659x = 1,124,469.82 × 350,746.12
  4. Step 4: Simplify right side
    749,659x = 394,403,426,422.10
  5. Step 5: Solve for x
    x = 394,403,426,422.10/749,659
  6. Step 6: Final answer
    x = 526,110.44

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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.