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Finding the Fourth Proportional to 615,943.01, 923,914.53 and 231,764.10

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Solution

The fourth proportional to 615,943.01, 923,914.53 and 231,764.10 is: 347,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,943.01 : 923,914.53 = 231,764.10 : x
  2. Step 2: Convert to fraction form
    615,943.01/923,914.53 = 231,764.10/x
  3. Step 3: Cross multiply
    615,943.01x = 923,914.53 × 231,764.10
  4. Step 4: Simplify right side
    615,943.01x = 214,130,219,522.37
  5. Step 5: Solve for x
    x = 214,130,219,522.37/615,943.01
  6. Step 6: Final answer
    x = 347,646.16

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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.