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Finding the Fourth Proportional to 615,330.60, 922,339.80 and 236,104.80

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Solution

The fourth proportional to 615,330.60, 922,339.80 and 236,104.80 is: 353,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,330.60 : 922,339.80 = 236,104.80 : x
  2. Step 2: Convert to fraction form
    615,330.60/922,339.80 = 236,104.80/x
  3. Step 3: Cross multiply
    615,330.60x = 922,339.80 × 236,104.80
  4. Step 4: Simplify right side
    615,330.60x = 217,768,854,011.04
  5. Step 5: Solve for x
    x = 217,768,854,011.04/615,330.60
  6. Step 6: Final answer
    x = 353,905.45

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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.