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Finding the Fourth Proportional to 1,473.65, 2,210.00 and 651.91

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Solution

The fourth proportional to 1,473.65, 2,210.00 and 651.91 is: 977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.65 : 2,210.00 = 651.91 : x
  2. Step 2: Convert to fraction form
    1,473.65/2,210.00 = 651.91/x
  3. Step 3: Cross multiply
    1,473.65x = 2,210.00 × 651.91
  4. Step 4: Simplify right side
    1,473.65x = 1,440,706.79
  5. Step 5: Solve for x
    x = 1,440,706.79/1,473.65
  6. Step 6: Final answer
    x = 977.65

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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.