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Finding the Fourth Proportional to 1,694,641, 2,338,595.52 and 920,265.16

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Solution

The fourth proportional to 1,694,641, 2,338,595.52 and 920,265.16 is: 1,269,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,641 : 2,338,595.52 = 920,265.16 : x
  2. Step 2: Convert to fraction form
    1,694,641/2,338,595.52 = 920,265.16/x
  3. Step 3: Cross multiply
    1,694,641x = 2,338,595.52 × 920,265.16
  4. Step 4: Simplify right side
    1,694,641x = 2,152,127,980,388.08
  5. Step 5: Solve for x
    x = 2,152,127,980,388.08/1,694,641
  6. Step 6: Final answer
    x = 1,269,961.00

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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.