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Finding the Fourth Proportional to 572,550.56, 790,095.84 and 317,886.56

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Solution

The fourth proportional to 572,550.56, 790,095.84 and 317,886.56 is: 438,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,550.56 : 790,095.84 = 317,886.56 : x
  2. Step 2: Convert to fraction form
    572,550.56/790,095.84 = 317,886.56/x
  3. Step 3: Cross multiply
    572,550.56x = 790,095.84 × 317,886.56
  4. Step 4: Simplify right side
    572,550.56x = 251,160,848,647.91
  5. Step 5: Solve for x
    x = 251,160,848,647.91/572,550.56
  6. Step 6: Final answer
    x = 438,670.17

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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.