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Finding the Fourth Proportional to 624,598.04, 936,756.96 and 287,314.76

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Solution

The fourth proportional to 624,598.04, 936,756.96 and 287,314.76 is: 430,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,598.04 : 936,756.96 = 287,314.76 : x
  2. Step 2: Convert to fraction form
    624,598.04/936,756.96 = 287,314.76/x
  3. Step 3: Cross multiply
    624,598.04x = 936,756.96 × 287,314.76
  4. Step 4: Simplify right side
    624,598.04x = 269,144,101,140.73
  5. Step 5: Solve for x
    x = 269,144,101,140.73/624,598.04
  6. Step 6: Final answer
    x = 430,907.69

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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.