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Finding the Fourth Proportional to 705,352.62, 973,386.37 and 383,062.82

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Solution

The fourth proportional to 705,352.62, 973,386.37 and 383,062.82 is: 528,626.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,352.62 : 973,386.37 = 383,062.82 : x
  2. Step 2: Convert to fraction form
    705,352.62/973,386.37 = 383,062.82/x
  3. Step 3: Cross multiply
    705,352.62x = 973,386.37 × 383,062.82
  4. Step 4: Simplify right side
    705,352.62x = 372,868,127,841.76
  5. Step 5: Solve for x
    x = 372,868,127,841.76/705,352.62
  6. Step 6: Final answer
    x = 528,626.56

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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.