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Finding the Fourth Proportional to 575,821.83, 794,631.89 and 317,714.84

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Solution

The fourth proportional to 575,821.83, 794,631.89 and 317,714.84 is: 438,445.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,821.83 : 794,631.89 = 317,714.84 : x
  2. Step 2: Convert to fraction form
    575,821.83/794,631.89 = 317,714.84/x
  3. Step 3: Cross multiply
    575,821.83x = 794,631.89 × 317,714.84
  4. Step 4: Simplify right side
    575,821.83x = 252,466,343,312.36
  5. Step 5: Solve for x
    x = 252,466,343,312.36/575,821.83
  6. Step 6: Final answer
    x = 438,445.25

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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.