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Finding the Fourth Proportional to 657,274.16, 907,047.16 and 370,793.36

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Solution

The fourth proportional to 657,274.16, 907,047.16 and 370,793.36 is: 511,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,274.16 : 907,047.16 = 370,793.36 : x
  2. Step 2: Convert to fraction form
    657,274.16/907,047.16 = 370,793.36/x
  3. Step 3: Cross multiply
    657,274.16x = 907,047.16 × 370,793.36
  4. Step 4: Simplify right side
    657,274.16x = 336,327,064,134.86
  5. Step 5: Solve for x
    x = 336,327,064,134.86/657,274.16
  6. Step 6: Final answer
    x = 511,699.81

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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.