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Finding the Fourth Proportional to 446,073.48, 615,376.08 and 284,847.84

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Solution

The fourth proportional to 446,073.48, 615,376.08 and 284,847.84 is: 392,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,073.48 : 615,376.08 = 284,847.84 : x
  2. Step 2: Convert to fraction form
    446,073.48/615,376.08 = 284,847.84/x
  3. Step 3: Cross multiply
    446,073.48x = 615,376.08 × 284,847.84
  4. Step 4: Simplify right side
    446,073.48x = 175,288,547,175.67
  5. Step 5: Solve for x
    x = 175,288,547,175.67/446,073.48
  6. Step 6: Final answer
    x = 392,958.91

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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.