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Finding the Fourth Proportional to 547,095.50, 755,117.44 and 355,775.66

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Solution

The fourth proportional to 547,095.50, 755,117.44 and 355,775.66 is: 491,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,095.50 : 755,117.44 = 355,775.66 : x
  2. Step 2: Convert to fraction form
    547,095.50/755,117.44 = 355,775.66/x
  3. Step 3: Cross multiply
    547,095.50x = 755,117.44 × 355,775.66
  4. Step 4: Simplify right side
    547,095.50x = 268,652,400,928.48
  5. Step 5: Solve for x
    x = 268,652,400,928.48/547,095.50
  6. Step 6: Final answer
    x = 491,052.12

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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.