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Finding the Fourth Proportional to 692,304.64, 954,058.87 and 498,370.23

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Solution

The fourth proportional to 692,304.64, 954,058.87 and 498,370.23 is: 686,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,304.64 : 954,058.87 = 498,370.23 : x
  2. Step 2: Convert to fraction form
    692,304.64/954,058.87 = 498,370.23/x
  3. Step 3: Cross multiply
    692,304.64x = 954,058.87 × 498,370.23
  4. Step 4: Simplify right side
    692,304.64x = 475,474,538,475.44
  5. Step 5: Solve for x
    x = 475,474,538,475.44/692,304.64
  6. Step 6: Final answer
    x = 686,799.58

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Double scale
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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.