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Finding the Fourth Proportional to 338,403.48, 507,341.66 and 167,507.22

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Solution

The fourth proportional to 338,403.48, 507,341.66 and 167,507.22 is: 251,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,403.48 : 507,341.66 = 167,507.22 : x
  2. Step 2: Convert to fraction form
    338,403.48/507,341.66 = 167,507.22/x
  3. Step 3: Cross multiply
    338,403.48x = 507,341.66 × 167,507.22
  4. Step 4: Simplify right side
    338,403.48x = 84,983,392,592.89
  5. Step 5: Solve for x
    x = 84,983,392,592.89/338,403.48
  6. Step 6: Final answer
    x = 251,130.37

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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.