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Finding the Fourth Proportional to 615,263.39, 922,591.05 and 188,696.93

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Solution

The fourth proportional to 615,263.39, 922,591.05 and 188,696.93 is: 282,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,263.39 : 922,591.05 = 188,696.93 : x
  2. Step 2: Convert to fraction form
    615,263.39/922,591.05 = 188,696.93/x
  3. Step 3: Cross multiply
    615,263.39x = 922,591.05 × 188,696.93
  4. Step 4: Simplify right side
    615,263.39x = 174,090,094,167.52
  5. Step 5: Solve for x
    x = 174,090,094,167.52/615,263.39
  6. Step 6: Final answer
    x = 282,952.14

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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.