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Finding the Fourth Proportional to 659,752.16, 910,458 and 373,266.08

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Solution

The fourth proportional to 659,752.16, 910,458 and 373,266.08 is: 515,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,752.16 : 910,458 = 373,266.08 : x
  2. Step 2: Convert to fraction form
    659,752.16/910,458 = 373,266.08/x
  3. Step 3: Cross multiply
    659,752.16x = 910,458 × 373,266.08
  4. Step 4: Simplify right side
    659,752.16x = 339,843,088,664.64
  5. Step 5: Solve for x
    x = 339,843,088,664.64/659,752.16
  6. Step 6: Final answer
    x = 515,107.20

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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.