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Finding the Fourth Proportional to 234,400.90, 351,603.54 and 56,909.46

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Solution

The fourth proportional to 234,400.90, 351,603.54 and 56,909.46 is: 85,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,400.90 : 351,603.54 = 56,909.46 : x
  2. Step 2: Convert to fraction form
    234,400.90/351,603.54 = 56,909.46/x
  3. Step 3: Cross multiply
    234,400.90x = 351,603.54 × 56,909.46
  4. Step 4: Simplify right side
    234,400.90x = 20,009,567,595.49
  5. Step 5: Solve for x
    x = 20,009,567,595.49/234,400.90
  6. Step 6: Final answer
    x = 85,364.72

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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.