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Finding the Fourth Proportional to 446,715.70, 616,482.51 and 262,920.95

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Solution

The fourth proportional to 446,715.70, 616,482.51 and 262,920.95 is: 362,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,715.70 : 616,482.51 = 262,920.95 : x
  2. Step 2: Convert to fraction form
    446,715.70/616,482.51 = 262,920.95/x
  3. Step 3: Cross multiply
    446,715.70x = 616,482.51 × 262,920.95
  4. Step 4: Simplify right side
    446,715.70x = 162,086,165,431.03
  5. Step 5: Solve for x
    x = 162,086,165,431.03/446,715.70
  6. Step 6: Final answer
    x = 362,839.65

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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.