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Finding the Fourth Proportional to 403,577.40, 604,199.70 and 246,113.40

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Solution

The fourth proportional to 403,577.40, 604,199.70 and 246,113.40 is: 368,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,577.40 : 604,199.70 = 246,113.40 : x
  2. Step 2: Convert to fraction form
    403,577.40/604,199.70 = 246,113.40/x
  3. Step 3: Cross multiply
    403,577.40x = 604,199.70 × 246,113.40
  4. Step 4: Simplify right side
    403,577.40x = 148,701,642,445.98
  5. Step 5: Solve for x
    x = 148,701,642,445.98/403,577.40
  6. Step 6: Final answer
    x = 368,458.79

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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.