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Finding the Fourth Proportional to 519,170.76, 716,320.26 and 304,195.32

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Solution

The fourth proportional to 519,170.76, 716,320.26 and 304,195.32 is: 419,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,170.76 : 716,320.26 = 304,195.32 : x
  2. Step 2: Convert to fraction form
    519,170.76/716,320.26 = 304,195.32/x
  3. Step 3: Cross multiply
    519,170.76x = 716,320.26 × 304,195.32
  4. Step 4: Simplify right side
    519,170.76x = 217,901,270,713.18
  5. Step 5: Solve for x
    x = 217,901,270,713.18/519,170.76
  6. Step 6: Final answer
    x = 419,710.21

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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.