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Finding the Fourth Proportional to 562,788.07, 776,642.22 and 304,658.41

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Solution

The fourth proportional to 562,788.07, 776,642.22 and 304,658.41 is: 420,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,788.07 : 776,642.22 = 304,658.41 : x
  2. Step 2: Convert to fraction form
    562,788.07/776,642.22 = 304,658.41/x
  3. Step 3: Cross multiply
    562,788.07x = 776,642.22 × 304,658.41
  4. Step 4: Simplify right side
    562,788.07x = 236,610,583,084.93
  5. Step 5: Solve for x
    x = 236,610,583,084.93/562,788.07
  6. Step 6: Final answer
    x = 420,425.73

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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.