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Finding the Fourth Proportional to 413,599.78, 570,622.35 and 270,443.62

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Solution

The fourth proportional to 413,599.78, 570,622.35 and 270,443.62 is: 373,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,599.78 : 570,622.35 = 270,443.62 : x
  2. Step 2: Convert to fraction form
    413,599.78/570,622.35 = 270,443.62/x
  3. Step 3: Cross multiply
    413,599.78x = 570,622.35 × 270,443.62
  4. Step 4: Simplify right side
    413,599.78x = 154,321,173,986.91
  5. Step 5: Solve for x
    x = 154,321,173,986.91/413,599.78
  6. Step 6: Final answer
    x = 373,117.16

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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.