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Finding the Fourth Proportional to 446,285.08, 615,695.34 and 285,098.32

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Solution

The fourth proportional to 446,285.08, 615,695.34 and 285,098.32 is: 393,321.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,285.08 : 615,695.34 = 285,098.32 : x
  2. Step 2: Convert to fraction form
    446,285.08/615,695.34 = 285,098.32/x
  3. Step 3: Cross multiply
    446,285.08x = 615,695.34 × 285,098.32
  4. Step 4: Simplify right side
    446,285.08x = 175,533,707,065.83
  5. Step 5: Solve for x
    x = 175,533,707,065.83/446,285.08
  6. Step 6: Final answer
    x = 393,321.93

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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.