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Finding the Fourth Proportional to 528,869,846.70, 793,304,770.05 and 528,869,846.70

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Solution

The fourth proportional to 528,869,846.70, 793,304,770.05 and 528,869,846.70 is: 793,304,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,869,846.70 : 793,304,770.05 = 528,869,846.70 : x
  2. Step 2: Convert to fraction form
    528,869,846.70/793,304,770.05 = 528,869,846.70/x
  3. Step 3: Cross multiply
    528,869,846.70x = 793,304,770.05 × 528,869,846.70
  4. Step 4: Simplify right side
    528,869,846.70x = 419,554,972,122,722,240
  5. Step 5: Solve for x
    x = 419,554,972,122,722,240/528,869,846.70
  6. Step 6: Final answer
    x = 793,304,770.05

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Double scale
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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.