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Finding the Fourth Proportional to 1,859,988, 2,790,007.92 and 530,292

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Solution

The fourth proportional to 1,859,988, 2,790,007.92 and 530,292 is: 795,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,988 : 2,790,007.92 = 530,292 : x
  2. Step 2: Convert to fraction form
    1,859,988/2,790,007.92 = 530,292/x
  3. Step 3: Cross multiply
    1,859,988x = 2,790,007.92 × 530,292
  4. Step 4: Simplify right side
    1,859,988x = 1,479,518,879,912.64
  5. Step 5: Solve for x
    x = 1,479,518,879,912.64/1,859,988
  6. Step 6: Final answer
    x = 795,445.39

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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.