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Finding the Fourth Proportional to 615,183.40, 922,904.70 and 260,014.60

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Solution

The fourth proportional to 615,183.40, 922,904.70 and 260,014.60 is: 390,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,183.40 : 922,904.70 = 260,014.60 : x
  2. Step 2: Convert to fraction form
    615,183.40/922,904.70 = 260,014.60/x
  3. Step 3: Cross multiply
    615,183.40x = 922,904.70 × 260,014.60
  4. Step 4: Simplify right side
    615,183.40x = 239,968,696,408.62
  5. Step 5: Solve for x
    x = 239,968,696,408.62/615,183.40
  6. Step 6: Final answer
    x = 390,076.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.