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Finding the Fourth Proportional to 480,582.48, 663,174.36 and 265,709.64

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Solution

The fourth proportional to 480,582.48, 663,174.36 and 265,709.64 is: 366,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,582.48 : 663,174.36 = 265,709.64 : x
  2. Step 2: Convert to fraction form
    480,582.48/663,174.36 = 265,709.64/x
  3. Step 3: Cross multiply
    480,582.48x = 663,174.36 × 265,709.64
  4. Step 4: Simplify right side
    480,582.48x = 176,211,820,452.83
  5. Step 5: Solve for x
    x = 176,211,820,452.83/480,582.48
  6. Step 6: Final answer
    x = 366,663.01

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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.