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Finding the Fourth Proportional to 473,195.57, 653,019.30 and 258,336.45

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Solution

The fourth proportional to 473,195.57, 653,019.30 and 258,336.45 is: 356,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,195.57 : 653,019.30 = 258,336.45 : x
  2. Step 2: Convert to fraction form
    473,195.57/653,019.30 = 258,336.45/x
  3. Step 3: Cross multiply
    473,195.57x = 653,019.30 × 258,336.45
  4. Step 4: Simplify right side
    473,195.57x = 168,698,687,743.49
  5. Step 5: Solve for x
    x = 168,698,687,743.49/473,195.57
  6. Step 6: Final answer
    x = 356,509.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.