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Finding the Fourth Proportional to 336,106.20, 470,898.60 and 336,106.20

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Solution

The fourth proportional to 336,106.20, 470,898.60 and 336,106.20 is: 470,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,106.20 : 470,898.60 = 336,106.20 : x
  2. Step 2: Convert to fraction form
    336,106.20/470,898.60 = 336,106.20/x
  3. Step 3: Cross multiply
    336,106.20x = 470,898.60 × 336,106.20
  4. Step 4: Simplify right side
    336,106.20x = 158,271,939,031.32
  5. Step 5: Solve for x
    x = 158,271,939,031.32/336,106.20
  6. Step 6: Final answer
    x = 470,898.60

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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.