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Finding the Fourth Proportional to 457,094.40, 630,783.36 and 255,897.60

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Solution

The fourth proportional to 457,094.40, 630,783.36 and 255,897.60 is: 353,134.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,094.40 : 630,783.36 = 255,897.60 : x
  2. Step 2: Convert to fraction form
    457,094.40/630,783.36 = 255,897.60/x
  3. Step 3: Cross multiply
    457,094.40x = 630,783.36 × 255,897.60
  4. Step 4: Simplify right side
    457,094.40x = 161,415,947,943.94
  5. Step 5: Solve for x
    x = 161,415,947,943.94/457,094.40
  6. Step 6: Final answer
    x = 353,134.82

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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.