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Finding the Fourth Proportional to 907.70, 1,359.66 and 467.62

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Solution

The fourth proportional to 907.70, 1,359.66 and 467.62 is: 700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907.70 : 1,359.66 = 467.62 : x
  2. Step 2: Convert to fraction form
    907.70/1,359.66 = 467.62/x
  3. Step 3: Cross multiply
    907.70x = 1,359.66 × 467.62
  4. Step 4: Simplify right side
    907.70x = 635,804.21
  5. Step 5: Solve for x
    x = 635,804.21/907.70
  6. Step 6: Final answer
    x = 700.46

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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.