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Finding the Fourth Proportional to 504,034.85, 756,052.28 and 415,388.45

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Solution

The fourth proportional to 504,034.85, 756,052.28 and 415,388.45 is: 623,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,034.85 : 756,052.28 = 415,388.45 : x
  2. Step 2: Convert to fraction form
    504,034.85/756,052.28 = 415,388.45/x
  3. Step 3: Cross multiply
    504,034.85x = 756,052.28 × 415,388.45
  4. Step 4: Simplify right side
    504,034.85x = 314,055,382,631.22
  5. Step 5: Solve for x
    x = 314,055,382,631.22/504,034.85
  6. Step 6: Final answer
    x = 623,082.68

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Double scale
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Similar ratio
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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.