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Finding the Fourth Proportional to 895.51, 1,235.68 and 546.13

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Solution

The fourth proportional to 895.51, 1,235.68 and 546.13 is: 753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.51 : 1,235.68 = 546.13 : x
  2. Step 2: Convert to fraction form
    895.51/1,235.68 = 546.13/x
  3. Step 3: Cross multiply
    895.51x = 1,235.68 × 546.13
  4. Step 4: Simplify right side
    895.51x = 674,841.92
  5. Step 5: Solve for x
    x = 674,841.92/895.51
  6. Step 6: Final answer
    x = 753.58

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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.