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Finding the Fourth Proportional to 453,670,085.35, 680,505,128.03 and 453,670,085.35

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Solution

The fourth proportional to 453,670,085.35, 680,505,128.03 and 453,670,085.35 is: 680,505,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,670,085.35 : 680,505,128.03 = 453,670,085.35 : x
  2. Step 2: Convert to fraction form
    453,670,085.35/680,505,128.03 = 453,670,085.35/x
  3. Step 3: Cross multiply
    453,670,085.35x = 680,505,128.03 × 453,670,085.35
  4. Step 4: Simplify right side
    453,670,085.35x = 308,724,819,514,482,752
  5. Step 5: Solve for x
    x = 308,724,819,514,482,752/453,670,085.35
  6. Step 6: Final answer
    x = 680,505,128.03

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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.