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Finding the Fourth Proportional to 473,675.35, 653,961.59 and 308,260.93

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Solution

The fourth proportional to 473,675.35, 653,961.59 and 308,260.93 is: 425,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,675.35 : 653,961.59 = 308,260.93 : x
  2. Step 2: Convert to fraction form
    473,675.35/653,961.59 = 308,260.93/x
  3. Step 3: Cross multiply
    473,675.35x = 653,961.59 × 308,260.93
  4. Step 4: Simplify right side
    473,675.35x = 201,590,807,917.68
  5. Step 5: Solve for x
    x = 201,590,807,917.68/473,675.35
  6. Step 6: Final answer
    x = 425,588.56

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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.