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Finding the Fourth Proportional to 552,402.10, 828,603.15 and 463,828.60

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Solution

The fourth proportional to 552,402.10, 828,603.15 and 463,828.60 is: 695,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,402.10 : 828,603.15 = 463,828.60 : x
  2. Step 2: Convert to fraction form
    552,402.10/828,603.15 = 463,828.60/x
  3. Step 3: Cross multiply
    552,402.10x = 828,603.15 × 463,828.60
  4. Step 4: Simplify right side
    552,402.10x = 384,329,839,020.09
  5. Step 5: Solve for x
    x = 384,329,839,020.09/552,402.10
  6. Step 6: Final answer
    x = 695,742.90

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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.