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Finding the Fourth Proportional to 570,230.25, 786,833.06 and 346,339.13

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Solution

The fourth proportional to 570,230.25, 786,833.06 and 346,339.13 is: 477,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,230.25 : 786,833.06 = 346,339.13 : x
  2. Step 2: Convert to fraction form
    570,230.25/786,833.06 = 346,339.13/x
  3. Step 3: Cross multiply
    570,230.25x = 786,833.06 × 346,339.13
  4. Step 4: Simplify right side
    570,230.25x = 272,511,071,789.78
  5. Step 5: Solve for x
    x = 272,511,071,789.78/570,230.25
  6. Step 6: Final answer
    x = 477,896.56

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1.5x scale

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.