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Finding the Fourth Proportional to 483,291.68, 666,994.92 and 292,410.32

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Solution

The fourth proportional to 483,291.68, 666,994.92 and 292,410.32 is: 403,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,291.68 : 666,994.92 = 292,410.32 : x
  2. Step 2: Convert to fraction form
    483,291.68/666,994.92 = 292,410.32/x
  3. Step 3: Cross multiply
    483,291.68x = 666,994.92 × 292,410.32
  4. Step 4: Simplify right side
    483,291.68x = 195,036,197,995.57
  5. Step 5: Solve for x
    x = 195,036,197,995.57/483,291.68
  6. Step 6: Final answer
    x = 403,557.95

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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.