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Finding the Fourth Proportional to 899,924, 1,241,921.04 and 497,541.92

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Solution

The fourth proportional to 899,924, 1,241,921.04 and 497,541.92 is: 686,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,924 : 1,241,921.04 = 497,541.92 : x
  2. Step 2: Convert to fraction form
    899,924/1,241,921.04 = 497,541.92/x
  3. Step 3: Cross multiply
    899,924x = 1,241,921.04 × 497,541.92
  4. Step 4: Simplify right side
    899,924x = 617,907,778,730.00
  5. Step 5: Solve for x
    x = 617,907,778,730.00/899,924
  6. Step 6: Final answer
    x = 686,622.18

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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.