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Finding the Fourth Proportional to 562,851.48, 776,727.30 and 308,202.60

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Solution

The fourth proportional to 562,851.48, 776,727.30 and 308,202.60 is: 425,315.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,851.48 : 776,727.30 = 308,202.60 : x
  2. Step 2: Convert to fraction form
    562,851.48/776,727.30 = 308,202.60/x
  3. Step 3: Cross multiply
    562,851.48x = 776,727.30 × 308,202.60
  4. Step 4: Simplify right side
    562,851.48x = 239,389,373,350.98
  5. Step 5: Solve for x
    x = 239,389,373,350.98/562,851.48
  6. Step 6: Final answer
    x = 425,315.35

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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.