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Finding the Fourth Proportional to 453,668.70, 680,503.05 and 446,670.30

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Solution

The fourth proportional to 453,668.70, 680,503.05 and 446,670.30 is: 670,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,668.70 : 680,503.05 = 446,670.30 : x
  2. Step 2: Convert to fraction form
    453,668.70/680,503.05 = 446,670.30/x
  3. Step 3: Cross multiply
    453,668.70x = 680,503.05 × 446,670.30
  4. Step 4: Simplify right side
    453,668.70x = 303,960,501,494.42
  5. Step 5: Solve for x
    x = 303,960,501,494.42/453,668.70
  6. Step 6: Final answer
    x = 670,005.45

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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.