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Finding the Fourth Proportional to 624,078.60, 936,643.05 and 584,712.60

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Solution

The fourth proportional to 624,078.60, 936,643.05 and 584,712.60 is: 877,560.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,078.60 : 936,643.05 = 584,712.60 : x
  2. Step 2: Convert to fraction form
    624,078.60/936,643.05 = 584,712.60/x
  3. Step 3: Cross multiply
    624,078.60x = 936,643.05 × 584,712.60
  4. Step 4: Simplify right side
    624,078.60x = 547,666,993,037.43
  5. Step 5: Solve for x
    x = 547,666,993,037.43/624,078.60
  6. Step 6: Final answer
    x = 877,560.92

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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.