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Finding the Fourth Proportional to 978,736.10, 1,467,684.52 and 529,334.94

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Solution

The fourth proportional to 978,736.10, 1,467,684.52 and 529,334.94 is: 793,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,736.10 : 1,467,684.52 = 529,334.94 : x
  2. Step 2: Convert to fraction form
    978,736.10/1,467,684.52 = 529,334.94/x
  3. Step 3: Cross multiply
    978,736.10x = 1,467,684.52 × 529,334.94
  4. Step 4: Simplify right side
    978,736.10x = 776,896,697,333.13
  5. Step 5: Solve for x
    x = 776,896,697,333.13/978,736.10
  6. Step 6: Final answer
    x = 793,775.46

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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.