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Finding the Fourth Proportional to 653,553.32, 901,988.16 and 367,073.40

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Solution

The fourth proportional to 653,553.32, 901,988.16 and 367,073.40 is: 506,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,553.32 : 901,988.16 = 367,073.40 : x
  2. Step 2: Convert to fraction form
    653,553.32/901,988.16 = 367,073.40/x
  3. Step 3: Cross multiply
    653,553.32x = 901,988.16 × 367,073.40
  4. Step 4: Simplify right side
    653,553.32x = 331,095,857,583.19
  5. Step 5: Solve for x
    x = 331,095,857,583.19/653,553.32
  6. Step 6: Final answer
    x = 506,608.79

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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.