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Finding the Fourth Proportional to 522,019.28, 718,653.06 and 468,211.19

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Solution

The fourth proportional to 522,019.28, 718,653.06 and 468,211.19 is: 644,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,019.28 : 718,653.06 = 468,211.19 : x
  2. Step 2: Convert to fraction form
    522,019.28/718,653.06 = 468,211.19/x
  3. Step 3: Cross multiply
    522,019.28x = 718,653.06 × 468,211.19
  4. Step 4: Simplify right side
    522,019.28x = 336,481,400,826.48
  5. Step 5: Solve for x
    x = 336,481,400,826.48/522,019.28
  6. Step 6: Final answer
    x = 644,576.57

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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.