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Finding the Fourth Proportional to 410,054.90, 615,082.35 and 373,313.30

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Solution

The fourth proportional to 410,054.90, 615,082.35 and 373,313.30 is: 559,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,054.90 : 615,082.35 = 373,313.30 : x
  2. Step 2: Convert to fraction form
    410,054.90/615,082.35 = 373,313.30/x
  3. Step 3: Cross multiply
    410,054.90x = 615,082.35 × 373,313.30
  4. Step 4: Simplify right side
    410,054.90x = 229,618,421,850.26
  5. Step 5: Solve for x
    x = 229,618,421,850.26/410,054.90
  6. Step 6: Final answer
    x = 559,969.95

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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.