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Finding the Fourth Proportional to 624,586.93, 936,740.23 and 287,303.65

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Solution

The fourth proportional to 624,586.93, 936,740.23 and 287,303.65 is: 430,891.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,586.93 : 936,740.23 = 287,303.65 : x
  2. Step 2: Convert to fraction form
    624,586.93/936,740.23 = 287,303.65/x
  3. Step 3: Cross multiply
    624,586.93x = 936,740.23 × 287,303.65
  4. Step 4: Simplify right side
    624,586.93x = 269,128,887,180.84
  5. Step 5: Solve for x
    x = 269,128,887,180.84/624,586.93
  6. Step 6: Final answer
    x = 430,891.00

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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.