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Finding the Fourth Proportional to 1,872,259.92, 2,583,710.91 and 1,012,818.06

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Solution

The fourth proportional to 1,872,259.92, 2,583,710.91 and 1,012,818.06 is: 1,397,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,259.92 : 2,583,710.91 = 1,012,818.06 : x
  2. Step 2: Convert to fraction form
    1,872,259.92/2,583,710.91 = 1,012,818.06/x
  3. Step 3: Cross multiply
    1,872,259.92x = 2,583,710.91 × 1,012,818.06
  4. Step 4: Simplify right side
    1,872,259.92x = 2,616,829,071,467.03
  5. Step 5: Solve for x
    x = 2,616,829,071,467.03/1,872,259.92
  6. Step 6: Final answer
    x = 1,397,684.71

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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.