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Finding the Fourth Proportional to 452,597.60, 679,285.20 and 200,266.40

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Solution

The fourth proportional to 452,597.60, 679,285.20 and 200,266.40 is: 300,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,597.60 : 679,285.20 = 200,266.40 : x
  2. Step 2: Convert to fraction form
    452,597.60/679,285.20 = 200,266.40/x
  3. Step 3: Cross multiply
    452,597.60x = 679,285.20 × 200,266.40
  4. Step 4: Simplify right side
    452,597.60x = 136,038,001,577.28
  5. Step 5: Solve for x
    x = 136,038,001,577.28/452,597.60
  6. Step 6: Final answer
    x = 300,571.64

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1.5x scale

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.