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Finding the Fourth Proportional to 583,905.38, 805,812.86 and 325,804.86

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Solution

The fourth proportional to 583,905.38, 805,812.86 and 325,804.86 is: 449,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,905.38 : 805,812.86 = 325,804.86 : x
  2. Step 2: Convert to fraction form
    583,905.38/805,812.86 = 325,804.86/x
  3. Step 3: Cross multiply
    583,905.38x = 805,812.86 × 325,804.86
  4. Step 4: Simplify right side
    583,905.38x = 262,537,744,409.48
  5. Step 5: Solve for x
    x = 262,537,744,409.48/583,905.38
  6. Step 6: Final answer
    x = 449,623.78

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Double scale
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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.