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Finding the Fourth Proportional to 1,615,248, 2,229,088.32 and 899,902.08

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Solution

The fourth proportional to 1,615,248, 2,229,088.32 and 899,902.08 is: 1,241,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,248 : 2,229,088.32 = 899,902.08 : x
  2. Step 2: Convert to fraction form
    1,615,248/2,229,088.32 = 899,902.08/x
  3. Step 3: Cross multiply
    1,615,248x = 2,229,088.32 × 899,902.08
  4. Step 4: Simplify right side
    1,615,248x = 2,005,961,215,671.71
  5. Step 5: Solve for x
    x = 2,005,961,215,671.71/1,615,248
  6. Step 6: Final answer
    x = 1,241,890.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.