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Finding the Fourth Proportional to 911,818.77, 1,367,713.04 and 350,974.77

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Solution

The fourth proportional to 911,818.77, 1,367,713.04 and 350,974.77 is: 526,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,818.77 : 1,367,713.04 = 350,974.77 : x
  2. Step 2: Convert to fraction form
    911,818.77/1,367,713.04 = 350,974.77/x
  3. Step 3: Cross multiply
    911,818.77x = 1,367,713.04 × 350,974.77
  4. Step 4: Simplify right side
    911,818.77x = 480,032,767,885.13
  5. Step 5: Solve for x
    x = 480,032,767,885.13/911,818.77
  6. Step 6: Final answer
    x = 526,456.34

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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.