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Finding the Fourth Proportional to 895.24, 1,235.42 and 502.28

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Solution

The fourth proportional to 895.24, 1,235.42 and 502.28 is: 693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.24 : 1,235.42 = 502.28 : x
  2. Step 2: Convert to fraction form
    895.24/1,235.42 = 502.28/x
  3. Step 3: Cross multiply
    895.24x = 1,235.42 × 502.28
  4. Step 4: Simplify right side
    895.24x = 620,526.76
  5. Step 5: Solve for x
    x = 620,526.76/895.24
  6. Step 6: Final answer
    x = 693.14

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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.