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Finding the Fourth Proportional to 355,262.10, 532,893.15 and 256,118.10

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Solution

The fourth proportional to 355,262.10, 532,893.15 and 256,118.10 is: 384,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,262.10 : 532,893.15 = 256,118.10 : x
  2. Step 2: Convert to fraction form
    355,262.10/532,893.15 = 256,118.10/x
  3. Step 3: Cross multiply
    355,262.10x = 532,893.15 × 256,118.10
  4. Step 4: Simplify right side
    355,262.10x = 136,483,581,081.02
  5. Step 5: Solve for x
    x = 136,483,581,081.02/355,262.10
  6. Step 6: Final answer
    x = 384,177.15

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1.5x scale

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.