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Finding the Fourth Proportional to 302,458.72, 453,425.64 and 152,573.89

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Solution

The fourth proportional to 302,458.72, 453,425.64 and 152,573.89 is: 228,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,458.72 : 453,425.64 = 152,573.89 : x
  2. Step 2: Convert to fraction form
    302,458.72/453,425.64 = 152,573.89/x
  3. Step 3: Cross multiply
    302,458.72x = 453,425.64 × 152,573.89
  4. Step 4: Simplify right side
    302,458.72x = 69,180,911,824.11
  5. Step 5: Solve for x
    x = 69,180,911,824.11/302,458.72
  6. Step 6: Final answer
    x = 228,728.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.