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Finding the Fourth Proportional to 472,505.08, 652,032.30 and 268,528.72

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Solution

The fourth proportional to 472,505.08, 652,032.30 and 268,528.72 is: 370,555.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,505.08 : 652,032.30 = 268,528.72 : x
  2. Step 2: Convert to fraction form
    472,505.08/652,032.30 = 268,528.72/x
  3. Step 3: Cross multiply
    472,505.08x = 652,032.30 × 268,528.72
  4. Step 4: Simplify right side
    472,505.08x = 175,089,398,917.66
  5. Step 5: Solve for x
    x = 175,089,398,917.66/472,505.08
  6. Step 6: Final answer
    x = 370,555.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.