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Finding the Fourth Proportional to 1,910,865.64, 2,865,836.70 and 562,661.32

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Solution

The fourth proportional to 1,910,865.64, 2,865,836.70 and 562,661.32 is: 843,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,865.64 : 2,865,836.70 = 562,661.32 : x
  2. Step 2: Convert to fraction form
    1,910,865.64/2,865,836.70 = 562,661.32/x
  3. Step 3: Cross multiply
    1,910,865.64x = 2,865,836.70 × 562,661.32
  4. Step 4: Simplify right side
    1,910,865.64x = 1,612,495,460,526.44
  5. Step 5: Solve for x
    x = 1,612,495,460,526.44/1,910,865.64
  6. Step 6: Final answer
    x = 843,856.01

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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.