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Finding the Fourth Proportional to 562,912.61, 776,813.58 and 304,785.12

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Solution

The fourth proportional to 562,912.61, 776,813.58 and 304,785.12 is: 420,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,912.61 : 776,813.58 = 304,785.12 : x
  2. Step 2: Convert to fraction form
    562,912.61/776,813.58 = 304,785.12/x
  3. Step 3: Cross multiply
    562,912.61x = 776,813.58 × 304,785.12
  4. Step 4: Simplify right side
    562,912.61x = 236,761,220,197.93
  5. Step 5: Solve for x
    x = 236,761,220,197.93/562,912.61
  6. Step 6: Final answer
    x = 420,600.31

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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.