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Finding the Fourth Proportional to 555,263.32, 766,263.60 and 300,614.44

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Solution

The fourth proportional to 555,263.32, 766,263.60 and 300,614.44 is: 414,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,263.32 : 766,263.60 = 300,614.44 : x
  2. Step 2: Convert to fraction form
    555,263.32/766,263.60 = 300,614.44/x
  3. Step 3: Cross multiply
    555,263.32x = 766,263.60 × 300,614.44
  4. Step 4: Simplify right side
    555,263.32x = 230,349,903,006.38
  5. Step 5: Solve for x
    x = 230,349,903,006.38/555,263.32
  6. Step 6: Final answer
    x = 414,848.05

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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.