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Finding the Fourth Proportional to 447,088.58, 616,930.52 and 256,090.58

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Solution

The fourth proportional to 447,088.58, 616,930.52 and 256,090.58 is: 353,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,088.58 : 616,930.52 = 256,090.58 : x
  2. Step 2: Convert to fraction form
    447,088.58/616,930.52 = 256,090.58/x
  3. Step 3: Cross multiply
    447,088.58x = 616,930.52 × 256,090.58
  4. Step 4: Simplify right side
    447,088.58x = 157,990,094,686.50
  5. Step 5: Solve for x
    x = 157,990,094,686.50/447,088.58
  6. Step 6: Final answer
    x = 353,375.38

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1.5x scale

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.