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Finding the Fourth Proportional to 356,323.58, 534,510.32 and 143,091.48

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Solution

The fourth proportional to 356,323.58, 534,510.32 and 143,091.48 is: 214,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,323.58 : 534,510.32 = 143,091.48 : x
  2. Step 2: Convert to fraction form
    356,323.58/534,510.32 = 143,091.48/x
  3. Step 3: Cross multiply
    356,323.58x = 534,510.32 × 143,091.48
  4. Step 4: Simplify right side
    356,323.58x = 76,483,872,764.07
  5. Step 5: Solve for x
    x = 76,483,872,764.07/356,323.58
  6. Step 6: Final answer
    x = 214,647.24

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1.5x scale

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.