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Finding the Fourth Proportional to 426,074.13, 587,994.59 and 235,099.82

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Solution

The fourth proportional to 426,074.13, 587,994.59 and 235,099.82 is: 324,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,074.13 : 587,994.59 = 235,099.82 : x
  2. Step 2: Convert to fraction form
    426,074.13/587,994.59 = 235,099.82/x
  3. Step 3: Cross multiply
    426,074.13x = 587,994.59 × 235,099.82
  4. Step 4: Simplify right side
    426,074.13x = 138,237,421,681.92
  5. Step 5: Solve for x
    x = 138,237,421,681.92/426,074.13
  6. Step 6: Final answer
    x = 324,444.53

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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.