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Finding the Fourth Proportional to 463,820.58, 640,059.06 and 270,271.08

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Solution

The fourth proportional to 463,820.58, 640,059.06 and 270,271.08 is: 372,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,820.58 : 640,059.06 = 270,271.08 : x
  2. Step 2: Convert to fraction form
    463,820.58/640,059.06 = 270,271.08/x
  3. Step 3: Cross multiply
    463,820.58x = 640,059.06 × 270,271.08
  4. Step 4: Simplify right side
    463,820.58x = 172,989,454,423.50
  5. Step 5: Solve for x
    x = 172,989,454,423.50/463,820.58
  6. Step 6: Final answer
    x = 372,966.32

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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.