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Finding the Fourth Proportional to 228,637.60, 342,956.40 and 62,425.60

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Solution

The fourth proportional to 228,637.60, 342,956.40 and 62,425.60 is: 93,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,637.60 : 342,956.40 = 62,425.60 : x
  2. Step 2: Convert to fraction form
    228,637.60/342,956.40 = 62,425.60/x
  3. Step 3: Cross multiply
    228,637.60x = 342,956.40 × 62,425.60
  4. Step 4: Simplify right side
    228,637.60x = 21,409,259,043.84
  5. Step 5: Solve for x
    x = 21,409,259,043.84/228,637.60
  6. Step 6: Final answer
    x = 93,638.40

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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.