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Finding the Fourth Proportional to 480,038.09, 720,054.53 and 195,727.54

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Solution

The fourth proportional to 480,038.09, 720,054.53 and 195,727.54 is: 293,590.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,038.09 : 720,054.53 = 195,727.54 : x
  2. Step 2: Convert to fraction form
    480,038.09/720,054.53 = 195,727.54/x
  3. Step 3: Cross multiply
    480,038.09x = 720,054.53 × 195,727.54
  4. Step 4: Simplify right side
    480,038.09x = 140,934,498,222.48
  5. Step 5: Solve for x
    x = 140,934,498,222.48/480,038.09
  6. Step 6: Final answer
    x = 293,590.24

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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.