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Finding the Fourth Proportional to 504,031.20, 695,555.28 and 277,684.80

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Solution

The fourth proportional to 504,031.20, 695,555.28 and 277,684.80 is: 383,200.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,031.20 : 695,555.28 = 277,684.80 : x
  2. Step 2: Convert to fraction form
    504,031.20/695,555.28 = 277,684.80/x
  3. Step 3: Cross multiply
    504,031.20x = 695,555.28 × 277,684.80
  4. Step 4: Simplify right side
    504,031.20x = 193,145,128,815.74
  5. Step 5: Solve for x
    x = 193,145,128,815.74/504,031.20
  6. Step 6: Final answer
    x = 383,200.74

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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.