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Finding the Fourth Proportional to 395,455.35, 593,210.47 and 158,798.06

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Solution

The fourth proportional to 395,455.35, 593,210.47 and 158,798.06 is: 238,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,455.35 : 593,210.47 = 158,798.06 : x
  2. Step 2: Convert to fraction form
    395,455.35/593,210.47 = 158,798.06/x
  3. Step 3: Cross multiply
    395,455.35x = 593,210.47 × 158,798.06
  4. Step 4: Simplify right side
    395,455.35x = 94,200,670,966.93
  5. Step 5: Solve for x
    x = 94,200,670,966.93/395,455.35
  6. Step 6: Final answer
    x = 238,208.11

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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.