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Finding the Fourth Proportional to 426,000.90, 587,881.22 and 235,014.30

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Solution

The fourth proportional to 426,000.90, 587,881.22 and 235,014.30 is: 324,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,000.90 : 587,881.22 = 235,014.30 : x
  2. Step 2: Convert to fraction form
    426,000.90/587,881.22 = 235,014.30/x
  3. Step 3: Cross multiply
    426,000.90x = 587,881.22 × 235,014.30
  4. Step 4: Simplify right side
    426,000.90x = 138,160,492,226.37
  5. Step 5: Solve for x
    x = 138,160,492,226.37/426,000.90
  6. Step 6: Final answer
    x = 324,319.72

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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.