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Finding the Fourth Proportional to 674,617.04, 930,973 and 368,698.32

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Solution

The fourth proportional to 674,617.04, 930,973 and 368,698.32 is: 508,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,617.04 : 930,973 = 368,698.32 : x
  2. Step 2: Convert to fraction form
    674,617.04/930,973 = 368,698.32/x
  3. Step 3: Cross multiply
    674,617.04x = 930,973 × 368,698.32
  4. Step 4: Simplify right side
    674,617.04x = 343,248,181,065.36
  5. Step 5: Solve for x
    x = 343,248,181,065.36/674,617.04
  6. Step 6: Final answer
    x = 508,804.49

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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.