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Finding the Fourth Proportional to 624,078.10, 936,642.30 and 584,712.10

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Solution

The fourth proportional to 624,078.10, 936,642.30 and 584,712.10 is: 877,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,078.10 : 936,642.30 = 584,712.10 : x
  2. Step 2: Convert to fraction form
    624,078.10/936,642.30 = 584,712.10/x
  3. Step 3: Cross multiply
    624,078.10x = 936,642.30 × 584,712.10
  4. Step 4: Simplify right side
    624,078.10x = 547,666,086,181.83
  5. Step 5: Solve for x
    x = 547,666,086,181.83/624,078.10
  6. Step 6: Final answer
    x = 877,560.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.