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Finding the Fourth Proportional to 644,765.64, 962,416.08 and 597,264

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Solution

The fourth proportional to 644,765.64, 962,416.08 and 597,264 is: 891,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,765.64 : 962,416.08 = 597,264 : x
  2. Step 2: Convert to fraction form
    644,765.64/962,416.08 = 597,264/x
  3. Step 3: Cross multiply
    644,765.64x = 962,416.08 × 597,264
  4. Step 4: Simplify right side
    644,765.64x = 574,816,477,605.12
  5. Step 5: Solve for x
    x = 574,816,477,605.12/644,765.64
  6. Step 6: Final answer
    x = 891,512.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.