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Finding the Fourth Proportional to 505,492,094.70, 758,238,142.05 and 505,492,094.70

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Solution

The fourth proportional to 505,492,094.70, 758,238,142.05 and 505,492,094.70 is: 758,238,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,492,094.70 : 758,238,142.05 = 505,492,094.70 : x
  2. Step 2: Convert to fraction form
    505,492,094.70/758,238,142.05 = 505,492,094.70/x
  3. Step 3: Cross multiply
    505,492,094.70x = 758,238,142.05 × 505,492,094.70
  4. Step 4: Simplify right side
    505,492,094.70x = 383,283,386,706,290,624
  5. Step 5: Solve for x
    x = 383,283,386,706,290,624/505,492,094.70
  6. Step 6: Final answer
    x = 758,238,142.05

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Similar ratio
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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.