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Finding the Fourth Proportional to 353,271.80, 529,130.10 and 313,873.40

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Solution

The fourth proportional to 353,271.80, 529,130.10 and 313,873.40 is: 470,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,271.80 : 529,130.10 = 313,873.40 : x
  2. Step 2: Convert to fraction form
    353,271.80/529,130.10 = 313,873.40/x
  3. Step 3: Cross multiply
    353,271.80x = 529,130.10 × 313,873.40
  4. Step 4: Simplify right side
    353,271.80x = 166,079,863,529.34
  5. Step 5: Solve for x
    x = 166,079,863,529.34/353,271.80
  6. Step 6: Final answer
    x = 470,119.22

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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.