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Finding the Fourth Proportional to 445,304.80, 668,374.80 and 235,093.60

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Solution

The fourth proportional to 445,304.80, 668,374.80 and 235,093.60 is: 352,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,304.80 : 668,374.80 = 235,093.60 : x
  2. Step 2: Convert to fraction form
    445,304.80/668,374.80 = 235,093.60/x
  3. Step 3: Cross multiply
    445,304.80x = 668,374.80 × 235,093.60
  4. Step 4: Simplify right side
    445,304.80x = 157,130,637,881.28
  5. Step 5: Solve for x
    x = 157,130,637,881.28/445,304.80
  6. Step 6: Final answer
    x = 352,860.87

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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.