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Finding the Fourth Proportional to 304,745.52, 420,572.64 and 175,725.48

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Solution

The fourth proportional to 304,745.52, 420,572.64 and 175,725.48 is: 242,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,745.52 : 420,572.64 = 175,725.48 : x
  2. Step 2: Convert to fraction form
    304,745.52/420,572.64 = 175,725.48/x
  3. Step 3: Cross multiply
    304,745.52x = 420,572.64 × 175,725.48
  4. Step 4: Simplify right side
    304,745.52x = 73,905,329,038.87
  5. Step 5: Solve for x
    x = 73,905,329,038.87/304,745.52
  6. Step 6: Final answer
    x = 242,514.90

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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.