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Finding the Fourth Proportional to 604,348.64, 834,042.12 and 400,047.74

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Solution

The fourth proportional to 604,348.64, 834,042.12 and 400,047.74 is: 552,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,348.64 : 834,042.12 = 400,047.74 : x
  2. Step 2: Convert to fraction form
    604,348.64/834,042.12 = 400,047.74/x
  3. Step 3: Cross multiply
    604,348.64x = 834,042.12 × 400,047.74
  4. Step 4: Simplify right side
    604,348.64x = 333,656,665,170.81
  5. Step 5: Solve for x
    x = 333,656,665,170.81/604,348.64
  6. Step 6: Final answer
    x = 552,093.02

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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.