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Finding the Fourth Proportional to 563,577, 777,815.82 and 348,786.24

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Solution

The fourth proportional to 563,577, 777,815.82 and 348,786.24 is: 481,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,577 : 777,815.82 = 348,786.24 : x
  2. Step 2: Convert to fraction form
    563,577/777,815.82 = 348,786.24/x
  3. Step 3: Cross multiply
    563,577x = 777,815.82 × 348,786.24
  4. Step 4: Simplify right side
    563,577x = 271,291,455,270.32
  5. Step 5: Solve for x
    x = 271,291,455,270.32/563,577
  6. Step 6: Final answer
    x = 481,374.25

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1.5x scale

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.