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Finding the Fourth Proportional to 554,994.07, 832,345.30 and 239,380.81

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Solution

The fourth proportional to 554,994.07, 832,345.30 and 239,380.81 is: 359,008.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,994.07 : 832,345.30 = 239,380.81 : x
  2. Step 2: Convert to fraction form
    554,994.07/832,345.30 = 239,380.81/x
  3. Step 3: Cross multiply
    554,994.07x = 832,345.30 × 239,380.81
  4. Step 4: Simplify right side
    554,994.07x = 199,247,492,113.69
  5. Step 5: Solve for x
    x = 199,247,492,113.69/554,994.07
  6. Step 6: Final answer
    x = 359,008.33

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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.