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Finding the Fourth Proportional to 973.05, 1,460.01 and 528.45

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Solution

The fourth proportional to 973.05, 1,460.01 and 528.45 is: 792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    973.05 : 1,460.01 = 528.45 : x
  2. Step 2: Convert to fraction form
    973.05/1,460.01 = 528.45/x
  3. Step 3: Cross multiply
    973.05x = 1,460.01 × 528.45
  4. Step 4: Simplify right side
    973.05x = 771,542.28
  5. Step 5: Solve for x
    x = 771,542.28/973.05
  6. Step 6: Final answer
    x = 792.91

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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.