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Finding the Fourth Proportional to 562,807.26, 776,670.44 and 304,682.32

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Solution

The fourth proportional to 562,807.26, 776,670.44 and 304,682.32 is: 420,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,807.26 : 776,670.44 = 304,682.32 : x
  2. Step 2: Convert to fraction form
    562,807.26/776,670.44 = 304,682.32/x
  3. Step 3: Cross multiply
    562,807.26x = 776,670.44 × 304,682.32
  4. Step 4: Simplify right side
    562,807.26x = 236,637,750,354.65
  5. Step 5: Solve for x
    x = 236,637,750,354.65/562,807.26
  6. Step 6: Final answer
    x = 420,459.66

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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.