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Finding the Fourth Proportional to 604,347.64, 834,040.74 and 400,046.74

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Solution

The fourth proportional to 604,347.64, 834,040.74 and 400,046.74 is: 552,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,347.64 : 834,040.74 = 400,046.74 : x
  2. Step 2: Convert to fraction form
    604,347.64/834,040.74 = 400,046.74/x
  3. Step 3: Cross multiply
    604,347.64x = 834,040.74 × 400,046.74
  4. Step 4: Simplify right side
    604,347.64x = 333,655,279,064.19
  5. Step 5: Solve for x
    x = 333,655,279,064.19/604,347.64
  6. Step 6: Final answer
    x = 552,091.64

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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.