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Finding the Fourth Proportional to 395,303.88, 593,066.67 and 158,812.63

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Solution

The fourth proportional to 395,303.88, 593,066.67 and 158,812.63 is: 238,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,303.88 : 593,066.67 = 158,812.63 : x
  2. Step 2: Convert to fraction form
    395,303.88/593,066.67 = 158,812.63/x
  3. Step 3: Cross multiply
    395,303.88x = 593,066.67 × 158,812.63
  4. Step 4: Simplify right side
    395,303.88x = 94,186,477,628.04
  5. Step 5: Solve for x
    x = 94,186,477,628.04/395,303.88
  6. Step 6: Final answer
    x = 238,263.48

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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.