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Finding the Fourth Proportional to 707,118.92, 975,805.39 and 384,822.08

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Solution

The fourth proportional to 707,118.92, 975,805.39 and 384,822.08 is: 531,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,118.92 : 975,805.39 = 384,822.08 : x
  2. Step 2: Convert to fraction form
    707,118.92/975,805.39 = 384,822.08/x
  3. Step 3: Cross multiply
    707,118.92x = 975,805.39 × 384,822.08
  4. Step 4: Simplify right side
    707,118.92x = 375,511,459,855.01
  5. Step 5: Solve for x
    x = 375,511,459,855.01/707,118.92
  6. Step 6: Final answer
    x = 531,044.28

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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.