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Finding the Fourth Proportional to 526,807.83, 726,994.77 and 285,090.41

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Solution

The fourth proportional to 526,807.83, 726,994.77 and 285,090.41 is: 393,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,807.83 : 726,994.77 = 285,090.41 : x
  2. Step 2: Convert to fraction form
    526,807.83/726,994.77 = 285,090.41/x
  3. Step 3: Cross multiply
    526,807.83x = 726,994.77 × 285,090.41
  4. Step 4: Simplify right side
    526,807.83x = 207,259,233,412.18
  5. Step 5: Solve for x
    x = 207,259,233,412.18/526,807.83
  6. Step 6: Final answer
    x = 393,424.74

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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.