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Finding the Fourth Proportional to 524,856.20, 787,386.70 and 225,336.20

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Solution

The fourth proportional to 524,856.20, 787,386.70 and 225,336.20 is: 338,048.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,856.20 : 787,386.70 = 225,336.20 : x
  2. Step 2: Convert to fraction form
    524,856.20/787,386.70 = 225,336.20/x
  3. Step 3: Cross multiply
    524,856.20x = 787,386.70 × 225,336.20
  4. Step 4: Simplify right side
    524,856.20x = 177,426,726,908.54
  5. Step 5: Solve for x
    x = 177,426,726,908.54/524,856.20
  6. Step 6: Final answer
    x = 338,048.26

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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.