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Finding the Fourth Proportional to 507,454.83, 761,086.98 and 254,667.51

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Solution

The fourth proportional to 507,454.83, 761,086.98 and 254,667.51 is: 381,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,454.83 : 761,086.98 = 254,667.51 : x
  2. Step 2: Convert to fraction form
    507,454.83/761,086.98 = 254,667.51/x
  3. Step 3: Cross multiply
    507,454.83x = 761,086.98 × 254,667.51
  4. Step 4: Simplify right side
    507,454.83x = 193,824,126,090.02
  5. Step 5: Solve for x
    x = 193,824,126,090.02/507,454.83
  6. Step 6: Final answer
    x = 381,953.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.