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Finding the Fourth Proportional to 702,237.44, 968,811.93 and 407,837.04

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Solution

The fourth proportional to 702,237.44, 968,811.93 and 407,837.04 is: 562,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,237.44 : 968,811.93 = 407,837.04 : x
  2. Step 2: Convert to fraction form
    702,237.44/968,811.93 = 407,837.04/x
  3. Step 3: Cross multiply
    702,237.44x = 968,811.93 × 407,837.04
  4. Step 4: Simplify right side
    702,237.44x = 395,117,391,377.28
  5. Step 5: Solve for x
    x = 395,117,391,377.28/702,237.44
  6. Step 6: Final answer
    x = 562,654.98

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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.