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Finding the Fourth Proportional to 488,927.80, 734,082.90 and 302,303.80

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Solution

The fourth proportional to 488,927.80, 734,082.90 and 302,303.80 is: 453,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,927.80 : 734,082.90 = 302,303.80 : x
  2. Step 2: Convert to fraction form
    488,927.80/734,082.90 = 302,303.80/x
  3. Step 3: Cross multiply
    488,927.80x = 734,082.90 × 302,303.80
  4. Step 4: Simplify right side
    488,927.80x = 221,916,050,185.02
  5. Step 5: Solve for x
    x = 221,916,050,185.02/488,927.80
  6. Step 6: Final answer
    x = 453,883.07

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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.