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Finding the Fourth Proportional to 362,904.30, 544,465.80 and 257,928.30

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Solution

The fourth proportional to 362,904.30, 544,465.80 and 257,928.30 is: 386,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,904.30 : 544,465.80 = 257,928.30 : x
  2. Step 2: Convert to fraction form
    362,904.30/544,465.80 = 257,928.30/x
  3. Step 3: Cross multiply
    362,904.30x = 544,465.80 × 257,928.30
  4. Step 4: Simplify right side
    362,904.30x = 140,433,138,202.14
  5. Step 5: Solve for x
    x = 140,433,138,202.14/362,904.30
  6. Step 6: Final answer
    x = 386,970.17

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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.