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Finding the Fourth Proportional to 504,115.38, 695,460.65 and 300,051.88

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Solution

The fourth proportional to 504,115.38, 695,460.65 and 300,051.88 is: 413,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,115.38 : 695,460.65 = 300,051.88 : x
  2. Step 2: Convert to fraction form
    504,115.38/695,460.65 = 300,051.88/x
  3. Step 3: Cross multiply
    504,115.38x = 695,460.65 × 300,051.88
  4. Step 4: Simplify right side
    504,115.38x = 208,674,275,615.53
  5. Step 5: Solve for x
    x = 208,674,275,615.53/504,115.38
  6. Step 6: Final answer
    x = 413,941.49

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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.