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Finding the Fourth Proportional to 583,316.47, 805,001.52 and 325,193.37

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Solution

The fourth proportional to 583,316.47, 805,001.52 and 325,193.37 is: 448,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,316.47 : 805,001.52 = 325,193.37 : x
  2. Step 2: Convert to fraction form
    583,316.47/805,001.52 = 325,193.37/x
  3. Step 3: Cross multiply
    583,316.47x = 805,001.52 × 325,193.37
  4. Step 4: Simplify right side
    583,316.47x = 261,781,157,143.92
  5. Step 5: Solve for x
    x = 261,781,157,143.92/583,316.47
  6. Step 6: Final answer
    x = 448,780.67

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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.