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Finding the Fourth Proportional to 702,119.76, 968,922.36 and 379,829.10

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Solution

The fourth proportional to 702,119.76, 968,922.36 and 379,829.10 is: 524,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,119.76 : 968,922.36 = 379,829.10 : x
  2. Step 2: Convert to fraction form
    702,119.76/968,922.36 = 379,829.10/x
  3. Step 3: Cross multiply
    702,119.76x = 968,922.36 × 379,829.10
  4. Step 4: Simplify right side
    702,119.76x = 368,024,907,968.68
  5. Step 5: Solve for x
    x = 368,024,907,968.68/702,119.76
  6. Step 6: Final answer
    x = 524,162.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.