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Finding the Fourth Proportional to 702,066.96, 968,851.08 and 379,777.32

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Solution

The fourth proportional to 702,066.96, 968,851.08 and 379,777.32 is: 524,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,066.96 : 968,851.08 = 379,777.32 : x
  2. Step 2: Convert to fraction form
    702,066.96/968,851.08 = 379,777.32/x
  3. Step 3: Cross multiply
    702,066.96x = 968,851.08 × 379,777.32
  4. Step 4: Simplify right side
    702,066.96x = 367,947,666,641.51
  5. Step 5: Solve for x
    x = 367,947,666,641.51/702,066.96
  6. Step 6: Final answer
    x = 524,091.98

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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.