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Finding the Fourth Proportional to 615,332.60, 922,342.80 and 236,106.80

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Solution

The fourth proportional to 615,332.60, 922,342.80 and 236,106.80 is: 353,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,332.60 : 922,342.80 = 236,106.80 : x
  2. Step 2: Convert to fraction form
    615,332.60/922,342.80 = 236,106.80/x
  3. Step 3: Cross multiply
    615,332.60x = 922,342.80 × 236,106.80
  4. Step 4: Simplify right side
    615,332.60x = 217,771,407,011.04
  5. Step 5: Solve for x
    x = 217,771,407,011.04/615,332.60
  6. Step 6: Final answer
    x = 353,908.45

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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.