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Finding the Fourth Proportional to 340,808.16, 511,241.04 and 91,503.84

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Solution

The fourth proportional to 340,808.16, 511,241.04 and 91,503.84 is: 137,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,808.16 : 511,241.04 = 91,503.84 : x
  2. Step 2: Convert to fraction form
    340,808.16/511,241.04 = 91,503.84/x
  3. Step 3: Cross multiply
    340,808.16x = 511,241.04 × 91,503.84
  4. Step 4: Simplify right side
    340,808.16x = 46,780,518,325.59
  5. Step 5: Solve for x
    x = 46,780,518,325.59/340,808.16
  6. Step 6: Final answer
    x = 137,263.49

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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.