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Finding the Fourth Proportional to 242,222.40, 363,333.60 and 212,673.60

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Solution

The fourth proportional to 242,222.40, 363,333.60 and 212,673.60 is: 319,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,222.40 : 363,333.60 = 212,673.60 : x
  2. Step 2: Convert to fraction form
    242,222.40/363,333.60 = 212,673.60/x
  3. Step 3: Cross multiply
    242,222.40x = 363,333.60 × 212,673.60
  4. Step 4: Simplify right side
    242,222.40x = 77,271,464,712.96
  5. Step 5: Solve for x
    x = 77,271,464,712.96/242,222.40
  6. Step 6: Final answer
    x = 319,010.40

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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.