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Finding the Fourth Proportional to 242,688.40, 364,032.60 and 183,639.40

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Solution

The fourth proportional to 242,688.40, 364,032.60 and 183,639.40 is: 275,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,688.40 : 364,032.60 = 183,639.40 : x
  2. Step 2: Convert to fraction form
    242,688.40/364,032.60 = 183,639.40/x
  3. Step 3: Cross multiply
    242,688.40x = 364,032.60 × 183,639.40
  4. Step 4: Simplify right side
    242,688.40x = 66,850,728,244.44
  5. Step 5: Solve for x
    x = 66,850,728,244.44/242,688.40
  6. Step 6: Final answer
    x = 275,459.10

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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.