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Finding the Fourth Proportional to 615,103.62, 848,823.75 and 360,624.30

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Solution

The fourth proportional to 615,103.62, 848,823.75 and 360,624.30 is: 497,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,103.62 : 848,823.75 = 360,624.30 : x
  2. Step 2: Convert to fraction form
    615,103.62/848,823.75 = 360,624.30/x
  3. Step 3: Cross multiply
    615,103.62x = 848,823.75 × 360,624.30
  4. Step 4: Simplify right side
    615,103.62x = 306,106,470,667.13
  5. Step 5: Solve for x
    x = 306,106,470,667.13/615,103.62
  6. Step 6: Final answer
    x = 497,650.25

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1.5x scale

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.