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Finding the Fourth Proportional to 468,824.76, 646,976.76 and 264,875.60

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Solution

The fourth proportional to 468,824.76, 646,976.76 and 264,875.60 is: 365,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,824.76 : 646,976.76 = 264,875.60 : x
  2. Step 2: Convert to fraction form
    468,824.76/646,976.76 = 264,875.60/x
  3. Step 3: Cross multiply
    468,824.76x = 646,976.76 × 264,875.60
  4. Step 4: Simplify right side
    468,824.76x = 171,368,358,115.21
  5. Step 5: Solve for x
    x = 171,368,358,115.21/468,824.76
  6. Step 6: Final answer
    x = 365,527.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.