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Finding the Fourth Proportional to 325,133.40, 455,497.80 and 325,133.40

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Solution

The fourth proportional to 325,133.40, 455,497.80 and 325,133.40 is: 455,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,133.40 : 455,497.80 = 325,133.40 : x
  2. Step 2: Convert to fraction form
    325,133.40/455,497.80 = 325,133.40/x
  3. Step 3: Cross multiply
    325,133.40x = 455,497.80 × 325,133.40
  4. Step 4: Simplify right side
    325,133.40x = 148,097,548,406.52
  5. Step 5: Solve for x
    x = 148,097,548,406.52/325,133.40
  6. Step 6: Final answer
    x = 455,497.80

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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.