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Finding the Fourth Proportional to 373,085.40, 558,437.40 and 294,353.40

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Solution

The fourth proportional to 373,085.40, 558,437.40 and 294,353.40 is: 440,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,085.40 : 558,437.40 = 294,353.40 : x
  2. Step 2: Convert to fraction form
    373,085.40/558,437.40 = 294,353.40/x
  3. Step 3: Cross multiply
    373,085.40x = 558,437.40 × 294,353.40
  4. Step 4: Simplify right side
    373,085.40x = 164,377,947,377.16
  5. Step 5: Solve for x
    x = 164,377,947,377.16/373,085.40
  6. Step 6: Final answer
    x = 440,590.67

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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.