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Finding the Fourth Proportional to 672,300.90, 927,775.44 and 366,377.40

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Solution

The fourth proportional to 672,300.90, 927,775.44 and 366,377.40 is: 505,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,300.90 : 927,775.44 = 366,377.40 : x
  2. Step 2: Convert to fraction form
    672,300.90/927,775.44 = 366,377.40/x
  3. Step 3: Cross multiply
    672,300.90x = 927,775.44 × 366,377.40
  4. Step 4: Simplify right side
    672,300.90x = 339,915,953,491.06
  5. Step 5: Solve for x
    x = 339,915,953,491.06/672,300.90
  6. Step 6: Final answer
    x = 505,600.92

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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.