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Finding the Fourth Proportional to 657,596.80, 907,392.54 and 367,172.92

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Solution

The fourth proportional to 657,596.80, 907,392.54 and 367,172.92 is: 506,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,596.80 : 907,392.54 = 367,172.92 : x
  2. Step 2: Convert to fraction form
    657,596.80/907,392.54 = 367,172.92/x
  3. Step 3: Cross multiply
    657,596.80x = 907,392.54 × 367,172.92
  4. Step 4: Simplify right side
    657,596.80x = 333,169,968,498.02
  5. Step 5: Solve for x
    x = 333,169,968,498.02/657,596.80
  6. Step 6: Final answer
    x = 506,647.79

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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.