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Finding the Fourth Proportional to 360,275.99, 539,997.93 and 135,492.93

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Solution

The fourth proportional to 360,275.99, 539,997.93 and 135,492.93 is: 203,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,275.99 : 539,997.93 = 135,492.93 : x
  2. Step 2: Convert to fraction form
    360,275.99/539,997.93 = 135,492.93/x
  3. Step 3: Cross multiply
    360,275.99x = 539,997.93 × 135,492.93
  4. Step 4: Simplify right side
    360,275.99x = 73,165,901,729.63
  5. Step 5: Solve for x
    x = 73,165,901,729.63/360,275.99
  6. Step 6: Final answer
    x = 203,082.93

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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.