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Finding the Fourth Proportional to 581,625.63, 801,676.04 and 400,030.11

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Solution

The fourth proportional to 581,625.63, 801,676.04 and 400,030.11 is: 551,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,625.63 : 801,676.04 = 400,030.11 : x
  2. Step 2: Convert to fraction form
    581,625.63/801,676.04 = 400,030.11/x
  3. Step 3: Cross multiply
    581,625.63x = 801,676.04 × 400,030.11
  4. Step 4: Simplify right side
    581,625.63x = 320,694,552,465.41
  5. Step 5: Solve for x
    x = 320,694,552,465.41/581,625.63
  6. Step 6: Final answer
    x = 551,376.24

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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.