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Finding the Fourth Proportional to 545,360.88, 752,575.95 and 303,636.63

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Solution

The fourth proportional to 545,360.88, 752,575.95 and 303,636.63 is: 419,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,360.88 : 752,575.95 = 303,636.63 : x
  2. Step 2: Convert to fraction form
    545,360.88/752,575.95 = 303,636.63/x
  3. Step 3: Cross multiply
    545,360.88x = 752,575.95 × 303,636.63
  4. Step 4: Simplify right side
    545,360.88x = 228,509,625,277.05
  5. Step 5: Solve for x
    x = 228,509,625,277.05/545,360.88
  6. Step 6: Final answer
    x = 419,006.26

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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.