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Finding the Fourth Proportional to 571,412.40, 856,535.40 and 334,633.20

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Solution

The fourth proportional to 571,412.40, 856,535.40 and 334,633.20 is: 501,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,412.40 : 856,535.40 = 334,633.20 : x
  2. Step 2: Convert to fraction form
    571,412.40/856,535.40 = 334,633.20/x
  3. Step 3: Cross multiply
    571,412.40x = 856,535.40 × 334,633.20
  4. Step 4: Simplify right side
    571,412.40x = 286,625,181,815.28
  5. Step 5: Solve for x
    x = 286,625,181,815.28/571,412.40
  6. Step 6: Final answer
    x = 501,608.26

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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.