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Finding the Fourth Proportional to 550,397.16, 759,631.08 and 335,661.72

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Solution

The fourth proportional to 550,397.16, 759,631.08 and 335,661.72 is: 463,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,397.16 : 759,631.08 = 335,661.72 : x
  2. Step 2: Convert to fraction form
    550,397.16/759,631.08 = 335,661.72/x
  3. Step 3: Cross multiply
    550,397.16x = 759,631.08 × 335,661.72
  4. Step 4: Simplify right side
    550,397.16x = 254,979,074,878.26
  5. Step 5: Solve for x
    x = 254,979,074,878.26/550,397.16
  6. Step 6: Final answer
    x = 463,263.79

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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.