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Finding the Fourth Proportional to 489,802.32, 734,888.16 and 333,504.72

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Solution

The fourth proportional to 489,802.32, 734,888.16 and 333,504.72 is: 500,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,802.32 : 734,888.16 = 333,504.72 : x
  2. Step 2: Convert to fraction form
    489,802.32/734,888.16 = 333,504.72/x
  3. Step 3: Cross multiply
    489,802.32x = 734,888.16 × 333,504.72
  4. Step 4: Simplify right side
    489,802.32x = 245,088,670,032.12
  5. Step 5: Solve for x
    x = 245,088,670,032.12/489,802.32
  6. Step 6: Final answer
    x = 500,382.83

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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.