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Finding the Fourth Proportional to 624,015.34, 934,185.93 and 386,594.62

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Solution

The fourth proportional to 624,015.34, 934,185.93 and 386,594.62 is: 578,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,015.34 : 934,185.93 = 386,594.62 : x
  2. Step 2: Convert to fraction form
    624,015.34/934,185.93 = 386,594.62/x
  3. Step 3: Cross multiply
    624,015.34x = 934,185.93 × 386,594.62
  4. Step 4: Simplify right side
    624,015.34x = 361,151,254,617.70
  5. Step 5: Solve for x
    x = 361,151,254,617.70/624,015.34
  6. Step 6: Final answer
    x = 578,753.81

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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.