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Finding the Fourth Proportional to 693,384.44, 956,852.14 and 387,463.33

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Solution

The fourth proportional to 693,384.44, 956,852.14 and 387,463.33 is: 534,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,384.44 : 956,852.14 = 387,463.33 : x
  2. Step 2: Convert to fraction form
    693,384.44/956,852.14 = 387,463.33/x
  3. Step 3: Cross multiply
    693,384.44x = 956,852.14 × 387,463.33
  4. Step 4: Simplify right side
    693,384.44x = 370,745,116,482.03
  5. Step 5: Solve for x
    x = 370,745,116,482.03/693,384.44
  6. Step 6: Final answer
    x = 534,689.12

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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.