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Finding the Fourth Proportional to 945.04, 1,415.32 and 597.16

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Solution

The fourth proportional to 945.04, 1,415.32 and 597.16 is: 894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.04 : 1,415.32 = 597.16 : x
  2. Step 2: Convert to fraction form
    945.04/1,415.32 = 597.16/x
  3. Step 3: Cross multiply
    945.04x = 1,415.32 × 597.16
  4. Step 4: Simplify right side
    945.04x = 845,172.49
  5. Step 5: Solve for x
    x = 845,172.49/945.04
  6. Step 6: Final answer
    x = 894.32

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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.