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Finding the Fourth Proportional to 895.15, 1,342.28 and 374.99

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Solution

The fourth proportional to 895.15, 1,342.28 and 374.99 is: 562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.15 : 1,342.28 = 374.99 : x
  2. Step 2: Convert to fraction form
    895.15/1,342.28 = 374.99/x
  3. Step 3: Cross multiply
    895.15x = 1,342.28 × 374.99
  4. Step 4: Simplify right side
    895.15x = 503,341.58
  5. Step 5: Solve for x
    x = 503,341.58/895.15
  6. Step 6: Final answer
    x = 562.30

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Double scale
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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.