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Finding the Fourth Proportional to 457,109.83, 630,794.14 and 250,374.93

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Solution

The fourth proportional to 457,109.83, 630,794.14 and 250,374.93 is: 345,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,109.83 : 630,794.14 = 250,374.93 : x
  2. Step 2: Convert to fraction form
    457,109.83/630,794.14 = 250,374.93/x
  3. Step 3: Cross multiply
    457,109.83x = 630,794.14 × 250,374.93
  4. Step 4: Simplify right side
    457,109.83x = 157,935,038,646.91
  5. Step 5: Solve for x
    x = 157,935,038,646.91/457,109.83
  6. Step 6: Final answer
    x = 345,507.86

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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.