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Finding the Fourth Proportional to 604,230.64, 833,879.04 and 399,929.56

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Solution

The fourth proportional to 604,230.64, 833,879.04 and 399,929.56 is: 551,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,230.64 : 833,879.04 = 399,929.56 : x
  2. Step 2: Convert to fraction form
    604,230.64/833,879.04 = 399,929.56/x
  3. Step 3: Cross multiply
    604,230.64x = 833,879.04 × 399,929.56
  4. Step 4: Simplify right side
    604,230.64x = 333,492,877,560.42
  5. Step 5: Solve for x
    x = 333,492,877,560.42/604,230.64
  6. Step 6: Final answer
    x = 551,929.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.