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Finding the Fourth Proportional to 570,179.16, 786,837.24 and 328,461

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Solution

The fourth proportional to 570,179.16, 786,837.24 and 328,461 is: 453,270.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,179.16 : 786,837.24 = 328,461 : x
  2. Step 2: Convert to fraction form
    570,179.16/786,837.24 = 328,461/x
  3. Step 3: Cross multiply
    570,179.16x = 786,837.24 × 328,461
  4. Step 4: Simplify right side
    570,179.16x = 258,445,346,687.64
  5. Step 5: Solve for x
    x = 258,445,346,687.64/570,179.16
  6. Step 6: Final answer
    x = 453,270.42

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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.