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Finding the Fourth Proportional to 615,146.10, 922,852.89 and 188,683.62

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Solution

The fourth proportional to 615,146.10, 922,852.89 and 188,683.62 is: 283,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,146.10 : 922,852.89 = 188,683.62 : x
  2. Step 2: Convert to fraction form
    615,146.10/922,852.89 = 188,683.62/x
  3. Step 3: Cross multiply
    615,146.10x = 922,852.89 × 188,683.62
  4. Step 4: Simplify right side
    615,146.10x = 174,127,224,012.66
  5. Step 5: Solve for x
    x = 174,127,224,012.66/615,146.10
  6. Step 6: Final answer
    x = 283,066.45

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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.