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Finding the Fourth Proportional to 336,105.45, 470,897.55 and 336,105.45

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Solution

The fourth proportional to 336,105.45, 470,897.55 and 336,105.45 is: 470,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,105.45 : 470,897.55 = 336,105.45 : x
  2. Step 2: Convert to fraction form
    336,105.45/470,897.55 = 336,105.45/x
  3. Step 3: Cross multiply
    336,105.45x = 470,897.55 × 336,105.45
  4. Step 4: Simplify right side
    336,105.45x = 158,271,232,946.65
  5. Step 5: Solve for x
    x = 158,271,232,946.65/336,105.45
  6. Step 6: Final answer
    x = 470,897.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.