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Finding the Fourth Proportional to 429,951.65, 592,307.64 and 300,648.31

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Solution

The fourth proportional to 429,951.65, 592,307.64 and 300,648.31 is: 414,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,951.65 : 592,307.64 = 300,648.31 : x
  2. Step 2: Convert to fraction form
    429,951.65/592,307.64 = 300,648.31/x
  3. Step 3: Cross multiply
    429,951.65x = 592,307.64 × 300,648.31
  4. Step 4: Simplify right side
    429,951.65x = 178,076,289,485.32
  5. Step 5: Solve for x
    x = 178,076,289,485.32/429,951.65
  6. Step 6: Final answer
    x = 414,177.48

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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.