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Finding the Fourth Proportional to 615,107.12, 848,828.58 and 360,627.80

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Solution

The fourth proportional to 615,107.12, 848,828.58 and 360,627.80 is: 497,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,107.12 : 848,828.58 = 360,627.80 : x
  2. Step 2: Convert to fraction form
    615,107.12/848,828.58 = 360,627.80/x
  3. Step 3: Cross multiply
    615,107.12x = 848,828.58 × 360,627.80
  4. Step 4: Simplify right side
    615,107.12x = 306,111,183,382.52
  5. Step 5: Solve for x
    x = 306,111,183,382.52/615,107.12
  6. Step 6: Final answer
    x = 497,655.08

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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.