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Finding the Fourth Proportional to 562,538.57, 776,305.26 and 304,415.48

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Solution

The fourth proportional to 562,538.57, 776,305.26 and 304,415.48 is: 420,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,538.57 : 776,305.26 = 304,415.48 : x
  2. Step 2: Convert to fraction form
    562,538.57/776,305.26 = 304,415.48/x
  3. Step 3: Cross multiply
    562,538.57x = 776,305.26 × 304,415.48
  4. Step 4: Simplify right side
    562,538.57x = 236,319,334,467.90
  5. Step 5: Solve for x
    x = 236,319,334,467.90/562,538.57
  6. Step 6: Final answer
    x = 420,094.46

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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.