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Finding the Fourth Proportional to 583,058.95, 804,585.92 and 321,402.76

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Solution

The fourth proportional to 583,058.95, 804,585.92 and 321,402.76 is: 443,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,058.95 : 804,585.92 = 321,402.76 : x
  2. Step 2: Convert to fraction form
    583,058.95/804,585.92 = 321,402.76/x
  3. Step 3: Cross multiply
    583,058.95x = 804,585.92 × 321,402.76
  4. Step 4: Simplify right side
    583,058.95x = 258,596,131,726.66
  5. Step 5: Solve for x
    x = 258,596,131,726.66/583,058.95
  6. Step 6: Final answer
    x = 443,516.27

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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.