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Finding the Fourth Proportional to 442,618.17, 610,779.74 and 251,594.25

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Solution

The fourth proportional to 442,618.17, 610,779.74 and 251,594.25 is: 347,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,618.17 : 610,779.74 = 251,594.25 : x
  2. Step 2: Convert to fraction form
    442,618.17/610,779.74 = 251,594.25/x
  3. Step 3: Cross multiply
    442,618.17x = 610,779.74 × 251,594.25
  4. Step 4: Simplify right side
    442,618.17x = 153,668,669,342.52
  5. Step 5: Solve for x
    x = 153,668,669,342.52/442,618.17
  6. Step 6: Final answer
    x = 347,181.11

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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.