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Finding the Fourth Proportional to 335,969.40, 463,637.79 and 185,066.40

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Solution

The fourth proportional to 335,969.40, 463,637.79 and 185,066.40 is: 255,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,969.40 : 463,637.79 = 185,066.40 : x
  2. Step 2: Convert to fraction form
    335,969.40/463,637.79 = 185,066.40/x
  3. Step 3: Cross multiply
    335,969.40x = 463,637.79 × 185,066.40
  4. Step 4: Simplify right side
    335,969.40x = 85,803,776,699.26
  5. Step 5: Solve for x
    x = 85,803,776,699.26/335,969.40
  6. Step 6: Final answer
    x = 255,391.64

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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.