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Finding the Fourth Proportional to 375,357.31, 562,642.30 and 175,509.25

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Solution

The fourth proportional to 375,357.31, 562,642.30 and 175,509.25 is: 263,079.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,357.31 : 562,642.30 = 175,509.25 : x
  2. Step 2: Convert to fraction form
    375,357.31/562,642.30 = 175,509.25/x
  3. Step 3: Cross multiply
    375,357.31x = 562,642.30 × 175,509.25
  4. Step 4: Simplify right side
    375,357.31x = 98,748,928,091.28
  5. Step 5: Solve for x
    x = 98,748,928,091.28/375,357.31
  6. Step 6: Final answer
    x = 263,079.81

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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.