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Finding the Fourth Proportional to 281,594.39, 388,597.02 and 152,530.43

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Solution

The fourth proportional to 281,594.39, 388,597.02 and 152,530.43 is: 210,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,594.39 : 388,597.02 = 152,530.43 : x
  2. Step 2: Convert to fraction form
    281,594.39/388,597.02 = 152,530.43/x
  3. Step 3: Cross multiply
    281,594.39x = 388,597.02 × 152,530.43
  4. Step 4: Simplify right side
    281,594.39x = 59,272,870,557.32
  5. Step 5: Solve for x
    x = 59,272,870,557.32/281,594.39
  6. Step 6: Final answer
    x = 210,490.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.