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Finding the Fourth Proportional to 522,127.74, 783,192.21 and 143,051.76

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Solution

The fourth proportional to 522,127.74, 783,192.21 and 143,051.76 is: 214,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,127.74 : 783,192.21 = 143,051.76 : x
  2. Step 2: Convert to fraction form
    522,127.74/783,192.21 = 143,051.76/x
  3. Step 3: Cross multiply
    522,127.74x = 783,192.21 × 143,051.76
  4. Step 4: Simplify right side
    522,127.74x = 112,037,026,932.07
  5. Step 5: Solve for x
    x = 112,037,026,932.07/522,127.74
  6. Step 6: Final answer
    x = 214,577.81

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Similar ratio
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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.