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Finding the Fourth Proportional to 473,641.37, 653,634.49 and 258,794.76

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Solution

The fourth proportional to 473,641.37, 653,634.49 and 258,794.76 is: 357,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,641.37 : 653,634.49 = 258,794.76 : x
  2. Step 2: Convert to fraction form
    473,641.37/653,634.49 = 258,794.76/x
  3. Step 3: Cross multiply
    473,641.37x = 653,634.49 × 258,794.76
  4. Step 4: Simplify right side
    473,641.37x = 169,157,180,967.27
  5. Step 5: Solve for x
    x = 169,157,180,967.27/473,641.37
  6. Step 6: Final answer
    x = 357,141.90

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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.