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Finding the Fourth Proportional to 395,547.60, 593,452.64 and 158,768.40

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Solution

The fourth proportional to 395,547.60, 593,452.64 and 158,768.40 is: 238,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,547.60 : 593,452.64 = 158,768.40 : x
  2. Step 2: Convert to fraction form
    395,547.60/593,452.64 = 158,768.40/x
  3. Step 3: Cross multiply
    395,547.60x = 593,452.64 × 158,768.40
  4. Step 4: Simplify right side
    395,547.60x = 94,221,526,128.58
  5. Step 5: Solve for x
    x = 94,221,526,128.58/395,547.60
  6. Step 6: Final answer
    x = 238,205.28

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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.