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Finding the Fourth Proportional to 706,062.51, 1,058,498.51 and 306,402.21

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Solution

The fourth proportional to 706,062.51, 1,058,498.51 and 306,402.21 is: 459,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,062.51 : 1,058,498.51 = 306,402.21 : x
  2. Step 2: Convert to fraction form
    706,062.51/1,058,498.51 = 306,402.21/x
  3. Step 3: Cross multiply
    706,062.51x = 1,058,498.51 × 306,402.21
  4. Step 4: Simplify right side
    706,062.51x = 324,326,281,213.70
  5. Step 5: Solve for x
    x = 324,326,281,213.70/706,062.51
  6. Step 6: Final answer
    x = 459,345.00

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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.