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Finding the Fourth Proportional to 503,063.76, 753,645 and 297,284.52

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Solution

The fourth proportional to 503,063.76, 753,645 and 297,284.52 is: 445,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,063.76 : 753,645 = 297,284.52 : x
  2. Step 2: Convert to fraction form
    503,063.76/753,645 = 297,284.52/x
  3. Step 3: Cross multiply
    503,063.76x = 753,645 × 297,284.52
  4. Step 4: Simplify right side
    503,063.76x = 224,046,992,075.40
  5. Step 5: Solve for x
    x = 224,046,992,075.40/503,063.76
  6. Step 6: Final answer
    x = 445,365.00

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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.