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Finding the Fourth Proportional to 554,062.58, 830,973.18 and 149,244.83

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Solution

The fourth proportional to 554,062.58, 830,973.18 and 149,244.83 is: 223,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,062.58 : 830,973.18 = 149,244.83 : x
  2. Step 2: Convert to fraction form
    554,062.58/830,973.18 = 149,244.83/x
  3. Step 3: Cross multiply
    554,062.58x = 830,973.18 × 149,244.83
  4. Step 4: Simplify right side
    554,062.58x = 124,018,450,983.66
  5. Step 5: Solve for x
    x = 124,018,450,983.66/554,062.58
  6. Step 6: Final answer
    x = 223,834.74

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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.