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Finding the Fourth Proportional to 545,322.23, 752,574.54 and 303,599.53

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Solution

The fourth proportional to 545,322.23, 752,574.54 and 303,599.53 is: 418,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,322.23 : 752,574.54 = 303,599.53 : x
  2. Step 2: Convert to fraction form
    545,322.23/752,574.54 = 303,599.53/x
  3. Step 3: Cross multiply
    545,322.23x = 752,574.54 × 303,599.53
  4. Step 4: Simplify right side
    545,322.23x = 228,481,276,633.97
  5. Step 5: Solve for x
    x = 228,481,276,633.97/545,322.23
  6. Step 6: Final answer
    x = 418,983.98

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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.