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Finding the Fourth Proportional to 242,637.20, 364,344.60 and 183,539.60

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Solution

The fourth proportional to 242,637.20, 364,344.60 and 183,539.60 is: 275,603.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,637.20 : 364,344.60 = 183,539.60 : x
  2. Step 2: Convert to fraction form
    242,637.20/364,344.60 = 183,539.60/x
  3. Step 3: Cross multiply
    242,637.20x = 364,344.60 × 183,539.60
  4. Step 4: Simplify right side
    242,637.20x = 66,871,662,146.16
  5. Step 5: Solve for x
    x = 66,871,662,146.16/242,637.20
  6. Step 6: Final answer
    x = 275,603.50

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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.