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Finding the Fourth Proportional to 1,971,921.22, 2,956,627.94 and 834,088.30

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Solution

The fourth proportional to 1,971,921.22, 2,956,627.94 and 834,088.30 is: 1,250,602.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,921.22 : 2,956,627.94 = 834,088.30 : x
  2. Step 2: Convert to fraction form
    1,971,921.22/2,956,627.94 = 834,088.30/x
  3. Step 3: Cross multiply
    1,971,921.22x = 2,956,627.94 × 834,088.30
  4. Step 4: Simplify right side
    1,971,921.22x = 2,466,088,772,207.10
  5. Step 5: Solve for x
    x = 2,466,088,772,207.10/1,971,921.22
  6. Step 6: Final answer
    x = 1,250,602.08

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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.