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Finding the Fourth Proportional to 438,627.03, 605,052.64 and 264,075.72

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Solution

The fourth proportional to 438,627.03, 605,052.64 and 264,075.72 is: 364,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,627.03 : 605,052.64 = 264,075.72 : x
  2. Step 2: Convert to fraction form
    438,627.03/605,052.64 = 264,075.72/x
  3. Step 3: Cross multiply
    438,627.03x = 605,052.64 × 264,075.72
  4. Step 4: Simplify right side
    438,627.03x = 159,779,707,200.26
  5. Step 5: Solve for x
    x = 159,779,707,200.26/438,627.03
  6. Step 6: Final answer
    x = 364,272.37

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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.