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Finding the Fourth Proportional to 694,812.96, 958,080.42 and 452,646.45

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Solution

The fourth proportional to 694,812.96, 958,080.42 and 452,646.45 is: 624,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,812.96 : 958,080.42 = 452,646.45 : x
  2. Step 2: Convert to fraction form
    694,812.96/958,080.42 = 452,646.45/x
  3. Step 3: Cross multiply
    694,812.96x = 958,080.42 × 452,646.45
  4. Step 4: Simplify right side
    694,812.96x = 433,671,700,927.51
  5. Step 5: Solve for x
    x = 433,671,700,927.51/694,812.96
  6. Step 6: Final answer
    x = 624,156.03

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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.