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Finding the Fourth Proportional to 217,595.04, 326,493 and 99,302.64

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Solution

The fourth proportional to 217,595.04, 326,493 and 99,302.64 is: 148,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,595.04 : 326,493 = 99,302.64 : x
  2. Step 2: Convert to fraction form
    217,595.04/326,493 = 99,302.64/x
  3. Step 3: Cross multiply
    217,595.04x = 326,493 × 99,302.64
  4. Step 4: Simplify right side
    217,595.04x = 32,421,616,841.52
  5. Step 5: Solve for x
    x = 32,421,616,841.52/217,595.04
  6. Step 6: Final answer
    x = 148,999.80

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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.