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Finding the Fourth Proportional to 562,733.93, 776,615.95 and 321,021.83

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Solution

The fourth proportional to 562,733.93, 776,615.95 and 321,021.83 is: 443,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,733.93 : 776,615.95 = 321,021.83 : x
  2. Step 2: Convert to fraction form
    562,733.93/776,615.95 = 321,021.83/x
  3. Step 3: Cross multiply
    562,733.93x = 776,615.95 × 321,021.83
  4. Step 4: Simplify right side
    562,733.93x = 249,310,675,819.01
  5. Step 5: Solve for x
    x = 249,310,675,819.01/562,733.93
  6. Step 6: Final answer
    x = 443,034.73

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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.