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Finding the Fourth Proportional to 424,289.44, 585,352.42 and 242,903.60

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Solution

The fourth proportional to 424,289.44, 585,352.42 and 242,903.60 is: 335,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,289.44 : 585,352.42 = 242,903.60 : x
  2. Step 2: Convert to fraction form
    424,289.44/585,352.42 = 242,903.60/x
  3. Step 3: Cross multiply
    424,289.44x = 585,352.42 × 242,903.60
  4. Step 4: Simplify right side
    424,289.44x = 142,184,210,086.71
  5. Step 5: Solve for x
    x = 142,184,210,086.71/424,289.44
  6. Step 6: Final answer
    x = 335,111.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.