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Finding the Fourth Proportional to 357,373.82, 535,637.61 and 157,276.08

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Solution

The fourth proportional to 357,373.82, 535,637.61 and 157,276.08 is: 235,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,373.82 : 535,637.61 = 157,276.08 : x
  2. Step 2: Convert to fraction form
    357,373.82/535,637.61 = 157,276.08/x
  3. Step 3: Cross multiply
    357,373.82x = 535,637.61 × 157,276.08
  4. Step 4: Simplify right side
    357,373.82x = 84,242,983,601.37
  5. Step 5: Solve for x
    x = 84,242,983,601.37/357,373.82
  6. Step 6: Final answer
    x = 235,727.91

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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.