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Finding the Fourth Proportional to 622,953.60, 934,430.40 and 617,048.70

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Solution

The fourth proportional to 622,953.60, 934,430.40 and 617,048.70 is: 925,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,953.60 : 934,430.40 = 617,048.70 : x
  2. Step 2: Convert to fraction form
    622,953.60/934,430.40 = 617,048.70/x
  3. Step 3: Cross multiply
    622,953.60x = 934,430.40 × 617,048.70
  4. Step 4: Simplify right side
    622,953.60x = 576,589,063,560.48
  5. Step 5: Solve for x
    x = 576,589,063,560.48/622,953.60
  6. Step 6: Final answer
    x = 925,573.05

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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.