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Finding the Fourth Proportional to 672,602.82, 1,009,383.99 and 373,322.80

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Solution

The fourth proportional to 672,602.82, 1,009,383.99 and 373,322.80 is: 560,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,602.82 : 1,009,383.99 = 373,322.80 : x
  2. Step 2: Convert to fraction form
    672,602.82/1,009,383.99 = 373,322.80/x
  3. Step 3: Cross multiply
    672,602.82x = 1,009,383.99 × 373,322.80
  4. Step 4: Simplify right side
    672,602.82x = 376,826,057,421.97
  5. Step 5: Solve for x
    x = 376,826,057,421.97/672,602.82
  6. Step 6: Final answer
    x = 560,250.49

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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.