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Finding the Fourth Proportional to 583,842.64, 874,373.88 and 372,826.96

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Solution

The fourth proportional to 583,842.64, 874,373.88 and 372,826.96 is: 558,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,842.64 : 874,373.88 = 372,826.96 : x
  2. Step 2: Convert to fraction form
    583,842.64/874,373.88 = 372,826.96/x
  3. Step 3: Cross multiply
    583,842.64x = 874,373.88 × 372,826.96
  4. Step 4: Simplify right side
    583,842.64x = 325,990,155,583.81
  5. Step 5: Solve for x
    x = 325,990,155,583.81/583,842.64
  6. Step 6: Final answer
    x = 558,352.77

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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.