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Finding the Fourth Proportional to 707,144.13, 973,394.55 and 616,342.59

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Solution

The fourth proportional to 707,144.13, 973,394.55 and 616,342.59 is: 848,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,144.13 : 973,394.55 = 616,342.59 : x
  2. Step 2: Convert to fraction form
    707,144.13/973,394.55 = 616,342.59/x
  3. Step 3: Cross multiply
    707,144.13x = 973,394.55 × 616,342.59
  4. Step 4: Simplify right side
    707,144.13x = 599,944,518,038.89
  5. Step 5: Solve for x
    x = 599,944,518,038.89/707,144.13
  6. Step 6: Final answer
    x = 848,404.86

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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.