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Finding the Fourth Proportional to 706,058.51, 1,058,492.51 and 306,398.22

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Solution

The fourth proportional to 706,058.51, 1,058,492.51 and 306,398.22 is: 459,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,058.51 : 1,058,492.51 = 306,398.22 : x
  2. Step 2: Convert to fraction form
    706,058.51/1,058,492.51 = 306,398.22/x
  3. Step 3: Cross multiply
    706,058.51x = 1,058,492.51 × 306,398.22
  4. Step 4: Simplify right side
    706,058.51x = 324,320,219,415.34
  5. Step 5: Solve for x
    x = 324,320,219,415.34/706,058.51
  6. Step 6: Final answer
    x = 459,339.02

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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.