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Finding the Fourth Proportional to 375,404.43, 518,066.47 and 214,256.23

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Solution

The fourth proportional to 375,404.43, 518,066.47 and 214,256.23 is: 295,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,404.43 : 518,066.47 = 214,256.23 : x
  2. Step 2: Convert to fraction form
    375,404.43/518,066.47 = 214,256.23/x
  3. Step 3: Cross multiply
    375,404.43x = 518,066.47 × 214,256.23
  4. Step 4: Simplify right side
    375,404.43x = 110,998,968,751.61
  5. Step 5: Solve for x
    x = 110,998,968,751.61/375,404.43
  6. Step 6: Final answer
    x = 295,678.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.