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Finding the Fourth Proportional to 472,886.08, 709,436.04 and 157,355.44

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Solution

The fourth proportional to 472,886.08, 709,436.04 and 157,355.44 is: 236,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,886.08 : 709,436.04 = 157,355.44 : x
  2. Step 2: Convert to fraction form
    472,886.08/709,436.04 = 157,355.44/x
  3. Step 3: Cross multiply
    472,886.08x = 709,436.04 × 157,355.44
  4. Step 4: Simplify right side
    472,886.08x = 111,633,620,226.06
  5. Step 5: Solve for x
    x = 111,633,620,226.06/472,886.08
  6. Step 6: Final answer
    x = 236,068.74

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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.