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Finding the Fourth Proportional to 657,553.52, 907,424.16 and 363,203.84

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Solution

The fourth proportional to 657,553.52, 907,424.16 and 363,203.84 is: 501,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,553.52 : 907,424.16 = 363,203.84 : x
  2. Step 2: Convert to fraction form
    657,553.52/907,424.16 = 363,203.84/x
  3. Step 3: Cross multiply
    657,553.52x = 907,424.16 × 363,203.84
  4. Step 4: Simplify right side
    657,553.52x = 329,579,939,420.77
  5. Step 5: Solve for x
    x = 329,579,939,420.77/657,553.52
  6. Step 6: Final answer
    x = 501,221.47

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1.5x scale

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.