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Finding the Fourth Proportional to 597,859.64, 824,579.76 and 383,019.68

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Solution

The fourth proportional to 597,859.64, 824,579.76 and 383,019.68 is: 528,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,859.64 : 824,579.76 = 383,019.68 : x
  2. Step 2: Convert to fraction form
    597,859.64/824,579.76 = 383,019.68/x
  3. Step 3: Cross multiply
    597,859.64x = 824,579.76 × 383,019.68
  4. Step 4: Simplify right side
    597,859.64x = 315,830,275,809.68
  5. Step 5: Solve for x
    x = 315,830,275,809.68/597,859.64
  6. Step 6: Final answer
    x = 528,268.27

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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.