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Finding the Fourth Proportional to 585,032.37, 807,329.16 and 326,911.45

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Solution

The fourth proportional to 585,032.37, 807,329.16 and 326,911.45 is: 451,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,032.37 : 807,329.16 = 326,911.45 : x
  2. Step 2: Convert to fraction form
    585,032.37/807,329.16 = 326,911.45/x
  3. Step 3: Cross multiply
    585,032.37x = 807,329.16 × 326,911.45
  4. Step 4: Simplify right side
    585,032.37x = 263,925,146,322.88
  5. Step 5: Solve for x
    x = 263,925,146,322.88/585,032.37
  6. Step 6: Final answer
    x = 451,129.13

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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.