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Finding the Fourth Proportional to 552,628.04, 828,942 and 153,268.80

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Solution

The fourth proportional to 552,628.04, 828,942 and 153,268.80 is: 229,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,628.04 : 828,942 = 153,268.80 : x
  2. Step 2: Convert to fraction form
    552,628.04/828,942 = 153,268.80/x
  3. Step 3: Cross multiply
    552,628.04x = 828,942 × 153,268.80
  4. Step 4: Simplify right side
    552,628.04x = 127,050,945,609.60
  5. Step 5: Solve for x
    x = 127,050,945,609.60/552,628.04
  6. Step 6: Final answer
    x = 229,903.18

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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.