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Finding the Fourth Proportional to 368,341.61, 552,512.41 and 243,653.45

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Solution

The fourth proportional to 368,341.61, 552,512.41 and 243,653.45 is: 365,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,341.61 : 552,512.41 = 243,653.45 : x
  2. Step 2: Convert to fraction form
    368,341.61/552,512.41 = 243,653.45/x
  3. Step 3: Cross multiply
    368,341.61x = 552,512.41 × 243,653.45
  4. Step 4: Simplify right side
    368,341.61x = 134,621,551,492.62
  5. Step 5: Solve for x
    x = 134,621,551,492.62/368,341.61
  6. Step 6: Final answer
    x = 365,480.17

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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.