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Finding the Fourth Proportional to 483,290.68, 666,993.54 and 292,409.32

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Solution

The fourth proportional to 483,290.68, 666,993.54 and 292,409.32 is: 403,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,290.68 : 666,993.54 = 292,409.32 : x
  2. Step 2: Convert to fraction form
    483,290.68/666,993.54 = 292,409.32/x
  3. Step 3: Cross multiply
    483,290.68x = 666,993.54 × 292,409.32
  4. Step 4: Simplify right side
    483,290.68x = 195,035,127,475.79
  5. Step 5: Solve for x
    x = 195,035,127,475.79/483,290.68
  6. Step 6: Final answer
    x = 403,556.57

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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.