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Finding the Fourth Proportional to 470,695.37, 649,554.66 and 255,833.86

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Solution

The fourth proportional to 470,695.37, 649,554.66 and 255,833.86 is: 353,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,695.37 : 649,554.66 = 255,833.86 : x
  2. Step 2: Convert to fraction form
    470,695.37/649,554.66 = 255,833.86/x
  3. Step 3: Cross multiply
    470,695.37x = 649,554.66 × 255,833.86
  4. Step 4: Simplify right side
    470,695.37x = 166,178,075,948.79
  5. Step 5: Solve for x
    x = 166,178,075,948.79/470,695.37
  6. Step 6: Final answer
    x = 353,048.04

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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.