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Finding the Fourth Proportional to 707,006.49, 975,653.01 and 384,717.48

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Solution

The fourth proportional to 707,006.49, 975,653.01 and 384,717.48 is: 530,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,006.49 : 975,653.01 = 384,717.48 : x
  2. Step 2: Convert to fraction form
    707,006.49/975,653.01 = 384,717.48/x
  3. Step 3: Cross multiply
    707,006.49x = 975,653.01 × 384,717.48
  4. Step 4: Simplify right side
    707,006.49x = 375,350,767,361.62
  5. Step 5: Solve for x
    x = 375,350,767,361.62/707,006.49
  6. Step 6: Final answer
    x = 530,901.45

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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.