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Finding the Fourth Proportional to 302,577.60, 453,866.40 and 297,328.80

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Solution

The fourth proportional to 302,577.60, 453,866.40 and 297,328.80 is: 445,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,577.60 : 453,866.40 = 297,328.80 : x
  2. Step 2: Convert to fraction form
    302,577.60/453,866.40 = 297,328.80/x
  3. Step 3: Cross multiply
    302,577.60x = 453,866.40 × 297,328.80
  4. Step 4: Simplify right side
    302,577.60x = 134,947,552,072.32
  5. Step 5: Solve for x
    x = 134,947,552,072.32/302,577.60
  6. Step 6: Final answer
    x = 445,993.20

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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.