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Finding the Fourth Proportional to 1,304.61, 1,957.06 and 1,030.32

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Solution

The fourth proportional to 1,304.61, 1,957.06 and 1,030.32 is: 1,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304.61 : 1,957.06 = 1,030.32 : x
  2. Step 2: Convert to fraction form
    1,304.61/1,957.06 = 1,030.32/x
  3. Step 3: Cross multiply
    1,304.61x = 1,957.06 × 1,030.32
  4. Step 4: Simplify right side
    1,304.61x = 2,016,399.35
  5. Step 5: Solve for x
    x = 2,016,399.35/1,304.61
  6. Step 6: Final answer
    x = 1,545.60

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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.