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Finding the Fourth Proportional to 402,883.60, 603,669.30 and 296,595.40

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Solution

The fourth proportional to 402,883.60, 603,669.30 and 296,595.40 is: 444,410.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,883.60 : 603,669.30 = 296,595.40 : x
  2. Step 2: Convert to fraction form
    402,883.60/603,669.30 = 296,595.40/x
  3. Step 3: Cross multiply
    402,883.60x = 603,669.30 × 296,595.40
  4. Step 4: Simplify right side
    402,883.60x = 179,045,537,501.22
  5. Step 5: Solve for x
    x = 179,045,537,501.22/402,883.60
  6. Step 6: Final answer
    x = 444,410.09

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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.