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Finding the Fourth Proportional to 403,276.90, 604,656.15 and 166,713.70

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Solution

The fourth proportional to 403,276.90, 604,656.15 and 166,713.70 is: 249,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,276.90 : 604,656.15 = 166,713.70 : x
  2. Step 2: Convert to fraction form
    403,276.90/604,656.15 = 166,713.70/x
  3. Step 3: Cross multiply
    403,276.90x = 604,656.15 × 166,713.70
  4. Step 4: Simplify right side
    403,276.90x = 100,804,463,994.26
  5. Step 5: Solve for x
    x = 100,804,463,994.26/403,276.90
  6. Step 6: Final answer
    x = 249,963.40

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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.