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Finding the Fourth Proportional to 328,094.80, 492,725.40 and 239,448.40

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Solution

The fourth proportional to 328,094.80, 492,725.40 and 239,448.40 is: 359,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094.80 : 492,725.40 = 239,448.40 : x
  2. Step 2: Convert to fraction form
    328,094.80/492,725.40 = 239,448.40/x
  3. Step 3: Cross multiply
    328,094.80x = 492,725.40 × 239,448.40
  4. Step 4: Simplify right side
    328,094.80x = 117,982,308,669.36
  5. Step 5: Solve for x
    x = 117,982,308,669.36/328,094.80
  6. Step 6: Final answer
    x = 359,598.23

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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.