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Finding the Fourth Proportional to 657,900.40, 987,244.26 and 604,362.64

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Solution

The fourth proportional to 657,900.40, 987,244.26 and 604,362.64 is: 906,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,900.40 : 987,244.26 = 604,362.64 : x
  2. Step 2: Convert to fraction form
    657,900.40/987,244.26 = 604,362.64/x
  3. Step 3: Cross multiply
    657,900.40x = 987,244.26 × 604,362.64
  4. Step 4: Simplify right side
    657,900.40x = 596,653,544,415.06
  5. Step 5: Solve for x
    x = 596,653,544,415.06/657,900.40
  6. Step 6: Final answer
    x = 906,905.58

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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.