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Finding the Fourth Proportional to 694,869.61, 958,783.71 and 436,596.91

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Solution

The fourth proportional to 694,869.61, 958,783.71 and 436,596.91 is: 602,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,869.61 : 958,783.71 = 436,596.91 : x
  2. Step 2: Convert to fraction form
    694,869.61/958,783.71 = 436,596.91/x
  3. Step 3: Cross multiply
    694,869.61x = 958,783.71 × 436,596.91
  4. Step 4: Simplify right side
    694,869.61x = 418,602,005,144.34
  5. Step 5: Solve for x
    x = 418,602,005,144.34/694,869.61
  6. Step 6: Final answer
    x = 602,418.06

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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.