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Finding the Fourth Proportional to 341,568.04, 470,320.44 and 309,528.49

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Solution

The fourth proportional to 341,568.04, 470,320.44 and 309,528.49 is: 426,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,568.04 : 470,320.44 = 309,528.49 : x
  2. Step 2: Convert to fraction form
    341,568.04/470,320.44 = 309,528.49/x
  3. Step 3: Cross multiply
    341,568.04x = 470,320.44 × 309,528.49
  4. Step 4: Simplify right side
    341,568.04x = 145,577,575,609.34
  5. Step 5: Solve for x
    x = 145,577,575,609.34/341,568.04
  6. Step 6: Final answer
    x = 426,203.74

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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.