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Finding the Fourth Proportional to 260,064.61, 390,176.60 and 233,241.05

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Solution

The fourth proportional to 260,064.61, 390,176.60 and 233,241.05 is: 349,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,064.61 : 390,176.60 = 233,241.05 : x
  2. Step 2: Convert to fraction form
    260,064.61/390,176.60 = 233,241.05/x
  3. Step 3: Cross multiply
    260,064.61x = 390,176.60 × 233,241.05
  4. Step 4: Simplify right side
    260,064.61x = 91,005,199,678.67
  5. Step 5: Solve for x
    x = 91,005,199,678.67/260,064.61
  6. Step 6: Final answer
    x = 349,933.04

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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.