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Finding the Fourth Proportional to 364,007.60, 510,660.40 and 364,007.60

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Solution

The fourth proportional to 364,007.60, 510,660.40 and 364,007.60 is: 510,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,007.60 : 510,660.40 = 364,007.60 : x
  2. Step 2: Convert to fraction form
    364,007.60/510,660.40 = 364,007.60/x
  3. Step 3: Cross multiply
    364,007.60x = 510,660.40 × 364,007.60
  4. Step 4: Simplify right side
    364,007.60x = 185,884,266,619.04
  5. Step 5: Solve for x
    x = 185,884,266,619.04/364,007.60
  6. Step 6: Final answer
    x = 510,660.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.