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Finding the Fourth Proportional to 403,300.22, 604,809.32 and 118,915.29

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Solution

The fourth proportional to 403,300.22, 604,809.32 and 118,915.29 is: 178,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,300.22 : 604,809.32 = 118,915.29 : x
  2. Step 2: Convert to fraction form
    403,300.22/604,809.32 = 118,915.29/x
  3. Step 3: Cross multiply
    403,300.22x = 604,809.32 × 118,915.29
  4. Step 4: Simplify right side
    403,300.22x = 71,921,075,087.93
  5. Step 5: Solve for x
    x = 71,921,075,087.93/403,300.22
  6. Step 6: Final answer
    x = 178,331.36

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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.