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Finding the Fourth Proportional to 482,783.58, 723,009.78 and 242,140.68

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Solution

The fourth proportional to 482,783.58, 723,009.78 and 242,140.68 is: 362,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,783.58 : 723,009.78 = 242,140.68 : x
  2. Step 2: Convert to fraction form
    482,783.58/723,009.78 = 242,140.68/x
  3. Step 3: Cross multiply
    482,783.58x = 723,009.78 × 242,140.68
  4. Step 4: Simplify right side
    482,783.58x = 175,070,079,775.85
  5. Step 5: Solve for x
    x = 175,070,079,775.85/482,783.58
  6. Step 6: Final answer
    x = 362,626.42

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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.