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Finding the Fourth Proportional to 528,373.00, 729,223.41 and 295,888.44

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Solution

The fourth proportional to 528,373.00, 729,223.41 and 295,888.44 is: 408,364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,373.00 : 729,223.41 = 295,888.44 : x
  2. Step 2: Convert to fraction form
    528,373.00/729,223.41 = 295,888.44/x
  3. Step 3: Cross multiply
    528,373.00x = 729,223.41 × 295,888.44
  4. Step 4: Simplify right side
    528,373.00x = 215,768,779,376.18
  5. Step 5: Solve for x
    x = 215,768,779,376.18/528,373.00
  6. Step 6: Final answer
    x = 408,364.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.