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Finding the Fourth Proportional to 365,066.06, 546,266.90 and 215,378.06

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Solution

The fourth proportional to 365,066.06, 546,266.90 and 215,378.06 is: 322,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,066.06 : 546,266.90 = 215,378.06 : x
  2. Step 2: Convert to fraction form
    365,066.06/546,266.90 = 215,378.06/x
  3. Step 3: Cross multiply
    365,066.06x = 546,266.90 × 215,378.06
  4. Step 4: Simplify right side
    365,066.06x = 117,653,905,164.21
  5. Step 5: Solve for x
    x = 117,653,905,164.21/365,066.06
  6. Step 6: Final answer
    x = 322,281.14

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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.