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Finding the Fourth Proportional to 624,606.79, 936,910.05 and 340,536.25

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Solution

The fourth proportional to 624,606.79, 936,910.05 and 340,536.25 is: 510,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,606.79 : 936,910.05 = 340,536.25 : x
  2. Step 2: Convert to fraction form
    624,606.79/936,910.05 = 340,536.25/x
  3. Step 3: Cross multiply
    624,606.79x = 936,910.05 × 340,536.25
  4. Step 4: Simplify right side
    624,606.79x = 319,051,835,014.31
  5. Step 5: Solve for x
    x = 319,051,835,014.31/624,606.79
  6. Step 6: Final answer
    x = 510,804.30

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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.