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Finding the Fourth Proportional to 294,527.60, 442,021.80 and 136,775.60

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Solution

The fourth proportional to 294,527.60, 442,021.80 and 136,775.60 is: 205,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,527.60 : 442,021.80 = 136,775.60 : x
  2. Step 2: Convert to fraction form
    294,527.60/442,021.80 = 136,775.60/x
  3. Step 3: Cross multiply
    294,527.60x = 442,021.80 × 136,775.60
  4. Step 4: Simplify right side
    294,527.60x = 60,457,796,908.08
  5. Step 5: Solve for x
    x = 60,457,796,908.08/294,527.60
  6. Step 6: Final answer
    x = 205,270.40

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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.