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Finding the Fourth Proportional to 545,166.34, 752,329.59 and 303,443.74

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Solution

The fourth proportional to 545,166.34, 752,329.59 and 303,443.74 is: 418,752.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,166.34 : 752,329.59 = 303,443.74 : x
  2. Step 2: Convert to fraction form
    545,166.34/752,329.59 = 303,443.74/x
  3. Step 3: Cross multiply
    545,166.34x = 752,329.59 × 303,443.74
  4. Step 4: Simplify right side
    545,166.34x = 228,289,704,502.27
  5. Step 5: Solve for x
    x = 228,289,704,502.27/545,166.34
  6. Step 6: Final answer
    x = 418,752.38

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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.