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Finding the Fourth Proportional to 503,887.68, 695,378.18 and 274,453.67

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Solution

The fourth proportional to 503,887.68, 695,378.18 and 274,453.67 is: 378,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,887.68 : 695,378.18 = 274,453.67 : x
  2. Step 2: Convert to fraction form
    503,887.68/695,378.18 = 274,453.67/x
  3. Step 3: Cross multiply
    503,887.68x = 695,378.18 × 274,453.67
  4. Step 4: Simplify right side
    503,887.68x = 190,849,088,689.76
  5. Step 5: Solve for x
    x = 190,849,088,689.76/503,887.68
  6. Step 6: Final answer
    x = 378,753.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.