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Finding the Fourth Proportional to 539,538.30, 809,307.45 and 184,499.10

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Solution

The fourth proportional to 539,538.30, 809,307.45 and 184,499.10 is: 276,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,538.30 : 809,307.45 = 184,499.10 : x
  2. Step 2: Convert to fraction form
    539,538.30/809,307.45 = 184,499.10/x
  3. Step 3: Cross multiply
    539,538.30x = 809,307.45 × 184,499.10
  4. Step 4: Simplify right side
    539,538.30x = 149,316,496,148.30
  5. Step 5: Solve for x
    x = 149,316,496,148.30/539,538.30
  6. Step 6: Final answer
    x = 276,748.65

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Double scale
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Similar ratio
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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.