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Finding the Fourth Proportional to 355,312, 532,968.04 and 92,656

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Solution

The fourth proportional to 355,312, 532,968.04 and 92,656 is: 138,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,312 : 532,968.04 = 92,656 : x
  2. Step 2: Convert to fraction form
    355,312/532,968.04 = 92,656/x
  3. Step 3: Cross multiply
    355,312x = 532,968.04 × 92,656
  4. Step 4: Simplify right side
    355,312x = 49,382,686,714.24
  5. Step 5: Solve for x
    x = 49,382,686,714.24/355,312
  6. Step 6: Final answer
    x = 138,984.01

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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.