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Finding the Fourth Proportional to 583,762.10, 805,590.37 and 329,111.47

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Solution

The fourth proportional to 583,762.10, 805,590.37 and 329,111.47 is: 454,173.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,762.10 : 805,590.37 = 329,111.47 : x
  2. Step 2: Convert to fraction form
    583,762.10/805,590.37 = 329,111.47/x
  3. Step 3: Cross multiply
    583,762.10x = 805,590.37 × 329,111.47
  4. Step 4: Simplify right side
    583,762.10x = 265,129,030,888.54
  5. Step 5: Solve for x
    x = 265,129,030,888.54/583,762.10
  6. Step 6: Final answer
    x = 454,173.08

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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.