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Finding the Fourth Proportional to 222,637.80, 333,956.70 and 56,425.80

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Solution

The fourth proportional to 222,637.80, 333,956.70 and 56,425.80 is: 84,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,637.80 : 333,956.70 = 56,425.80 : x
  2. Step 2: Convert to fraction form
    222,637.80/333,956.70 = 56,425.80/x
  3. Step 3: Cross multiply
    222,637.80x = 333,956.70 × 56,425.80
  4. Step 4: Simplify right side
    222,637.80x = 18,843,773,962.86
  5. Step 5: Solve for x
    x = 18,843,773,962.86/222,637.80
  6. Step 6: Final answer
    x = 84,638.70

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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.