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Finding the Fourth Proportional to 494,703.10, 742,054.65 and 437,622.40

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Solution

The fourth proportional to 494,703.10, 742,054.65 and 437,622.40 is: 656,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,703.10 : 742,054.65 = 437,622.40 : x
  2. Step 2: Convert to fraction form
    494,703.10/742,054.65 = 437,622.40/x
  3. Step 3: Cross multiply
    494,703.10x = 742,054.65 × 437,622.40
  4. Step 4: Simplify right side
    494,703.10x = 324,739,736,864.16
  5. Step 5: Solve for x
    x = 324,739,736,864.16/494,703.10
  6. Step 6: Final answer
    x = 656,433.60

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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.