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Finding the Fourth Proportional to 707,075.88, 975,485.88 and 523,761

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Solution

The fourth proportional to 707,075.88, 975,485.88 and 523,761 is: 722,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,075.88 : 975,485.88 = 523,761 : x
  2. Step 2: Convert to fraction form
    707,075.88/975,485.88 = 523,761/x
  3. Step 3: Cross multiply
    707,075.88x = 975,485.88 × 523,761
  4. Step 4: Simplify right side
    707,075.88x = 510,921,459,994.68
  5. Step 5: Solve for x
    x = 510,921,459,994.68/707,075.88
  6. Step 6: Final answer
    x = 722,583.64

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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.