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Finding the Fourth Proportional to 615,097.60, 922,646.40 and 165,817.60

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Solution

The fourth proportional to 615,097.60, 922,646.40 and 165,817.60 is: 248,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,097.60 : 922,646.40 = 165,817.60 : x
  2. Step 2: Convert to fraction form
    615,097.60/922,646.40 = 165,817.60/x
  3. Step 3: Cross multiply
    615,097.60x = 922,646.40 × 165,817.60
  4. Step 4: Simplify right side
    615,097.60x = 152,991,011,696.64
  5. Step 5: Solve for x
    x = 152,991,011,696.64/615,097.60
  6. Step 6: Final answer
    x = 248,726.40

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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.