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Finding the Fourth Proportional to 615,033.36, 848,830.32 and 360,486

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Solution

The fourth proportional to 615,033.36, 848,830.32 and 360,486 is: 497,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,033.36 : 848,830.32 = 360,486 : x
  2. Step 2: Convert to fraction form
    615,033.36/848,830.32 = 360,486/x
  3. Step 3: Cross multiply
    615,033.36x = 848,830.32 × 360,486
  4. Step 4: Simplify right side
    615,033.36x = 305,991,446,735.52
  5. Step 5: Solve for x
    x = 305,991,446,735.52/615,033.36
  6. Step 6: Final answer
    x = 497,520.08

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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.