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Finding the Fourth Proportional to 707,531.54, 1,060,411.48 and 557,178

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Solution

The fourth proportional to 707,531.54, 1,060,411.48 and 557,178 is: 835,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,531.54 : 1,060,411.48 = 557,178 : x
  2. Step 2: Convert to fraction form
    707,531.54/1,060,411.48 = 557,178/x
  3. Step 3: Cross multiply
    707,531.54x = 1,060,411.48 × 557,178
  4. Step 4: Simplify right side
    707,531.54x = 590,837,947,603.44
  5. Step 5: Solve for x
    x = 590,837,947,603.44/707,531.54
  6. Step 6: Final answer
    x = 835,069.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.