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Finding the Fourth Proportional to 570,308.63, 786,833.73 and 328,585.19

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Solution

The fourth proportional to 570,308.63, 786,833.73 and 328,585.19 is: 453,336.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,308.63 : 786,833.73 = 328,585.19 : x
  2. Step 2: Convert to fraction form
    570,308.63/786,833.73 = 328,585.19/x
  3. Step 3: Cross multiply
    570,308.63x = 786,833.73 × 328,585.19
  4. Step 4: Simplify right side
    570,308.63x = 258,541,910,670.46
  5. Step 5: Solve for x
    x = 258,541,910,670.46/570,308.63
  6. Step 6: Final answer
    x = 453,336.84

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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.