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Finding the Fourth Proportional to 222,404.60, 333,606.90 and 143,607.80

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Solution

The fourth proportional to 222,404.60, 333,606.90 and 143,607.80 is: 215,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,404.60 : 333,606.90 = 143,607.80 : x
  2. Step 2: Convert to fraction form
    222,404.60/333,606.90 = 143,607.80/x
  3. Step 3: Cross multiply
    222,404.60x = 333,606.90 × 143,607.80
  4. Step 4: Simplify right side
    222,404.60x = 47,908,552,973.82
  5. Step 5: Solve for x
    x = 47,908,552,973.82/222,404.60
  6. Step 6: Final answer
    x = 215,411.70

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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.