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Finding the Fourth Proportional to 562,879.13, 776,773.53 and 304,758.32

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Solution

The fourth proportional to 562,879.13, 776,773.53 and 304,758.32 is: 420,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,879.13 : 776,773.53 = 304,758.32 : x
  2. Step 2: Convert to fraction form
    562,879.13/776,773.53 = 304,758.32/x
  3. Step 3: Cross multiply
    562,879.13x = 776,773.53 × 304,758.32
  4. Step 4: Simplify right side
    562,879.13x = 236,728,192,139.40
  5. Step 5: Solve for x
    x = 236,728,192,139.40/562,879.13
  6. Step 6: Final answer
    x = 420,566.66

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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.