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Finding the Fourth Proportional to 583,639.40, 874,973.10 and 246,938.60

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Solution

The fourth proportional to 583,639.40, 874,973.10 and 246,938.60 is: 370,202.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,639.40 : 874,973.10 = 246,938.60 : x
  2. Step 2: Convert to fraction form
    583,639.40/874,973.10 = 246,938.60/x
  3. Step 3: Cross multiply
    583,639.40x = 874,973.10 × 246,938.60
  4. Step 4: Simplify right side
    583,639.40x = 216,064,632,351.66
  5. Step 5: Solve for x
    x = 216,064,632,351.66/583,639.40
  6. Step 6: Final answer
    x = 370,202.27

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Double scale
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1.5x scale

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.