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Finding the Fourth Proportional to 624,575.04, 936,722.46 and 287,291.79

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Solution

The fourth proportional to 624,575.04, 936,722.46 and 287,291.79 is: 430,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,575.04 : 936,722.46 = 287,291.79 : x
  2. Step 2: Convert to fraction form
    624,575.04/936,722.46 = 287,291.79/x
  3. Step 3: Cross multiply
    624,575.04x = 936,722.46 × 287,291.79
  4. Step 4: Simplify right side
    624,575.04x = 269,112,672,266.60
  5. Step 5: Solve for x
    x = 269,112,672,266.60/624,575.04
  6. Step 6: Final answer
    x = 430,873.24

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1.5x scale

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.