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Finding the Fourth Proportional to 555,601.06, 766,728.75 and 300,953.26

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Solution

The fourth proportional to 555,601.06, 766,728.75 and 300,953.26 is: 415,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,601.06 : 766,728.75 = 300,953.26 : x
  2. Step 2: Convert to fraction form
    555,601.06/766,728.75 = 300,953.26/x
  3. Step 3: Cross multiply
    555,601.06x = 766,728.75 × 300,953.26
  4. Step 4: Simplify right side
    555,601.06x = 230,749,516,848.23
  5. Step 5: Solve for x
    x = 230,749,516,848.23/555,601.06
  6. Step 6: Final answer
    x = 415,315.11

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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.