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Finding the Fourth Proportional to 455,511.52, 628,094.64 and 294,154.72

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Solution

The fourth proportional to 455,511.52, 628,094.64 and 294,154.72 is: 405,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,511.52 : 628,094.64 = 294,154.72 : x
  2. Step 2: Convert to fraction form
    455,511.52/628,094.64 = 294,154.72/x
  3. Step 3: Cross multiply
    455,511.52x = 628,094.64 × 294,154.72
  4. Step 4: Simplify right side
    455,511.52x = 184,757,002,962.70
  5. Step 5: Solve for x
    x = 184,757,002,962.70/455,511.52
  6. Step 6: Final answer
    x = 405,603.36

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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.