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Finding the Fourth Proportional to 895.46, 1,342.62 and 530.36

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Solution

The fourth proportional to 895.46, 1,342.62 and 530.36 is: 795.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.46 : 1,342.62 = 530.36 : x
  2. Step 2: Convert to fraction form
    895.46/1,342.62 = 530.36/x
  3. Step 3: Cross multiply
    895.46x = 1,342.62 × 530.36
  4. Step 4: Simplify right side
    895.46x = 712,071.94
  5. Step 5: Solve for x
    x = 712,071.94/895.46
  6. Step 6: Final answer
    x = 795.20

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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.