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Finding the Fourth Proportional to 615,196.40, 922,924.20 and 260,027.60

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Solution

The fourth proportional to 615,196.40, 922,924.20 and 260,027.60 is: 390,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,196.40 : 922,924.20 = 260,027.60 : x
  2. Step 2: Convert to fraction form
    615,196.40/922,924.20 = 260,027.60/x
  3. Step 3: Cross multiply
    615,196.40x = 922,924.20 × 260,027.60
  4. Step 4: Simplify right side
    615,196.40x = 239,985,764,707.92
  5. Step 5: Solve for x
    x = 239,985,764,707.92/615,196.40
  6. Step 6: Final answer
    x = 390,096.18

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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.