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Finding the Fourth Proportional to 886,886.04, 1,223,902.81 and 484,478.04

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Solution

The fourth proportional to 886,886.04, 1,223,902.81 and 484,478.04 is: 668,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,886.04 : 1,223,902.81 = 484,478.04 : x
  2. Step 2: Convert to fraction form
    886,886.04/1,223,902.81 = 484,478.04/x
  3. Step 3: Cross multiply
    886,886.04x = 1,223,902.81 × 484,478.04
  4. Step 4: Simplify right side
    886,886.04x = 592,954,034,539.29
  5. Step 5: Solve for x
    x = 592,954,034,539.29/886,886.04
  6. Step 6: Final answer
    x = 668,579.74

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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.