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Finding the Fourth Proportional to 702,073.85, 968,866.63 and 430,142.27

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Solution

The fourth proportional to 702,073.85, 968,866.63 and 430,142.27 is: 593,599.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,073.85 : 968,866.63 = 430,142.27 : x
  2. Step 2: Convert to fraction form
    702,073.85/968,866.63 = 430,142.27/x
  3. Step 3: Cross multiply
    702,073.85x = 968,866.63 × 430,142.27
  4. Step 4: Simplify right side
    702,073.85x = 416,750,485,635.76
  5. Step 5: Solve for x
    x = 416,750,485,635.76/702,073.85
  6. Step 6: Final answer
    x = 593,599.22

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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.