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Finding the Fourth Proportional to 936,796.28, 1,292,804 and 569,148.28

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Solution

The fourth proportional to 936,796.28, 1,292,804 and 569,148.28 is: 785,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,796.28 : 1,292,804 = 569,148.28 : x
  2. Step 2: Convert to fraction form
    936,796.28/1,292,804 = 569,148.28/x
  3. Step 3: Cross multiply
    936,796.28x = 1,292,804 × 569,148.28
  4. Step 4: Simplify right side
    936,796.28x = 735,797,172,977.12
  5. Step 5: Solve for x
    x = 735,797,172,977.12/936,796.28
  6. Step 6: Final answer
    x = 785,439.90

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1.5x scale

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.