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Finding the Fourth Proportional to 557,376.10, 769,497.70 and 366,943.07

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Solution

The fourth proportional to 557,376.10, 769,497.70 and 366,943.07 is: 506,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,376.10 : 769,497.70 = 366,943.07 : x
  2. Step 2: Convert to fraction form
    557,376.10/769,497.70 = 366,943.07/x
  3. Step 3: Cross multiply
    557,376.10x = 769,497.70 × 366,943.07
  4. Step 4: Simplify right side
    557,376.10x = 282,361,848,395.94
  5. Step 5: Solve for x
    x = 282,361,848,395.94/557,376.10
  6. Step 6: Final answer
    x = 506,591.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.