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Finding the Fourth Proportional to 528,768,066.80, 793,152,100.20 and 528,768,066.80

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Solution

The fourth proportional to 528,768,066.80, 793,152,100.20 and 528,768,066.80 is: 793,152,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,066.80 : 793,152,100.20 = 528,768,066.80 : x
  2. Step 2: Convert to fraction form
    528,768,066.80/793,152,100.20 = 528,768,066.80/x
  3. Step 3: Cross multiply
    528,768,066.80x = 793,152,100.20 × 528,768,066.80
  4. Step 4: Simplify right side
    528,768,066.80x = 419,393,502,701,113,920
  5. Step 5: Solve for x
    x = 419,393,502,701,113,920/528,768,066.80
  6. Step 6: Final answer
    x = 793,152,100.20

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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.