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Finding the Fourth Proportional to 222,415.20, 333,590.40 and 64,627.20

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Solution

The fourth proportional to 222,415.20, 333,590.40 and 64,627.20 is: 96,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,415.20 : 333,590.40 = 64,627.20 : x
  2. Step 2: Convert to fraction form
    222,415.20/333,590.40 = 64,627.20/x
  3. Step 3: Cross multiply
    222,415.20x = 333,590.40 × 64,627.20
  4. Step 4: Simplify right side
    222,415.20x = 21,559,013,498.88
  5. Step 5: Solve for x
    x = 21,559,013,498.88/222,415.20
  6. Step 6: Final answer
    x = 96,931.39

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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.