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Finding the Fourth Proportional to 622,047.05, 933,218.64 and 201,322.91

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Solution

The fourth proportional to 622,047.05, 933,218.64 and 201,322.91 is: 302,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,047.05 : 933,218.64 = 201,322.91 : x
  2. Step 2: Convert to fraction form
    622,047.05/933,218.64 = 201,322.91/x
  3. Step 3: Cross multiply
    622,047.05x = 933,218.64 × 201,322.91
  4. Step 4: Simplify right side
    622,047.05x = 187,878,292,271.04
  5. Step 5: Solve for x
    x = 187,878,292,271.04/622,047.05
  6. Step 6: Final answer
    x = 302,032.29

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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.