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Finding the Fourth Proportional to 473,018.78, 709,533.44 and 157,475.18

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Solution

The fourth proportional to 473,018.78, 709,533.44 and 157,475.18 is: 236,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,018.78 : 709,533.44 = 157,475.18 : x
  2. Step 2: Convert to fraction form
    473,018.78/709,533.44 = 157,475.18/x
  3. Step 3: Cross multiply
    473,018.78x = 709,533.44 × 157,475.18
  4. Step 4: Simplify right side
    473,018.78x = 111,733,906,180.02
  5. Step 5: Solve for x
    x = 111,733,906,180.02/473,018.78
  6. Step 6: Final answer
    x = 236,214.52

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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.