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Finding the Fourth Proportional to 504,554.23, 696,453.56 and 300,669.10

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Solution

The fourth proportional to 504,554.23, 696,453.56 and 300,669.10 is: 415,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,554.23 : 696,453.56 = 300,669.10 : x
  2. Step 2: Convert to fraction form
    504,554.23/696,453.56 = 300,669.10/x
  3. Step 3: Cross multiply
    504,554.23x = 696,453.56 × 300,669.10
  4. Step 4: Simplify right side
    504,554.23x = 209,402,062,960.03
  5. Step 5: Solve for x
    x = 209,402,062,960.03/504,554.23
  6. Step 6: Final answer
    x = 415,023.90

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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.