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Finding the Fourth Proportional to 296,590.48, 444,885.72 and 74,974.48

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Solution

The fourth proportional to 296,590.48, 444,885.72 and 74,974.48 is: 112,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,590.48 : 444,885.72 = 74,974.48 : x
  2. Step 2: Convert to fraction form
    296,590.48/444,885.72 = 74,974.48/x
  3. Step 3: Cross multiply
    296,590.48x = 444,885.72 × 74,974.48
  4. Step 4: Simplify right side
    296,590.48x = 33,355,075,516.43
  5. Step 5: Solve for x
    x = 33,355,075,516.43/296,590.48
  6. Step 6: Final answer
    x = 112,461.72

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1.5x scale

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.