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Finding the Fourth Proportional to 368,651.04, 553,016.04 and 102,412.32

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Solution

The fourth proportional to 368,651.04, 553,016.04 and 102,412.32 is: 153,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,651.04 : 553,016.04 = 102,412.32 : x
  2. Step 2: Convert to fraction form
    368,651.04/553,016.04 = 102,412.32/x
  3. Step 3: Cross multiply
    368,651.04x = 553,016.04 × 102,412.32
  4. Step 4: Simplify right side
    368,651.04x = 56,635,655,653.61
  5. Step 5: Solve for x
    x = 56,635,655,653.61/368,651.04
  6. Step 6: Final answer
    x = 153,629.45

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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.