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Finding the Fourth Proportional to 511,527.48, 705,903.63 and 282,094.32

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Solution

The fourth proportional to 511,527.48, 705,903.63 and 282,094.32 is: 389,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,527.48 : 705,903.63 = 282,094.32 : x
  2. Step 2: Convert to fraction form
    511,527.48/705,903.63 = 282,094.32/x
  3. Step 3: Cross multiply
    511,527.48x = 705,903.63 × 282,094.32
  4. Step 4: Simplify right side
    511,527.48x = 199,131,406,474.48
  5. Step 5: Solve for x
    x = 199,131,406,474.48/511,527.48
  6. Step 6: Final answer
    x = 389,287.80

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Why These Related Problems?

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