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Finding the Fourth Proportional to 528,077.40, 741,174.60 and 528,077.40

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Solution

The fourth proportional to 528,077.40, 741,174.60 and 528,077.40 is: 741,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,077.40 : 741,174.60 = 528,077.40 : x
  2. Step 2: Convert to fraction form
    528,077.40/741,174.60 = 528,077.40/x
  3. Step 3: Cross multiply
    528,077.40x = 741,174.60 × 528,077.40
  4. Step 4: Simplify right side
    528,077.40x = 391,397,555,714.04
  5. Step 5: Solve for x
    x = 391,397,555,714.04/528,077.40
  6. Step 6: Final answer
    x = 741,174.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.