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Finding the Fourth Proportional to 506,401.96, 760,138.26 and 494,966.32

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Solution

The fourth proportional to 506,401.96, 760,138.26 and 494,966.32 is: 742,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,401.96 : 760,138.26 = 494,966.32 : x
  2. Step 2: Convert to fraction form
    506,401.96/760,138.26 = 494,966.32/x
  3. Step 3: Cross multiply
    506,401.96x = 760,138.26 × 494,966.32
  4. Step 4: Simplify right side
    506,401.96x = 376,242,837,243.40
  5. Step 5: Solve for x
    x = 376,242,837,243.40/506,401.96
  6. Step 6: Final answer
    x = 742,972.71

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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.