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Finding the Fourth Proportional to 301,025.60, 452,056.80 and 212,897.60

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Solution

The fourth proportional to 301,025.60, 452,056.80 and 212,897.60 is: 319,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,025.60 : 452,056.80 = 212,897.60 : x
  2. Step 2: Convert to fraction form
    301,025.60/452,056.80 = 212,897.60/x
  3. Step 3: Cross multiply
    301,025.60x = 452,056.80 × 212,897.60
  4. Step 4: Simplify right side
    301,025.60x = 96,241,807,783.68
  5. Step 5: Solve for x
    x = 96,241,807,783.68/301,025.60
  6. Step 6: Final answer
    x = 319,713.03

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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.