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Finding the Fourth Proportional to 593,146.10, 889,719.15 and 493,418.90

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Solution

The fourth proportional to 593,146.10, 889,719.15 and 493,418.90 is: 740,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,146.10 : 889,719.15 = 493,418.90 : x
  2. Step 2: Convert to fraction form
    593,146.10/889,719.15 = 493,418.90/x
  3. Step 3: Cross multiply
    593,146.10x = 889,719.15 × 493,418.90
  4. Step 4: Simplify right side
    593,146.10x = 439,004,244,301.94
  5. Step 5: Solve for x
    x = 439,004,244,301.94/593,146.10
  6. Step 6: Final answer
    x = 740,128.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.