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Finding the Fourth Proportional to 461,907.54, 637,425.67 and 257,956.30

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Solution

The fourth proportional to 461,907.54, 637,425.67 and 257,956.30 is: 355,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,907.54 : 637,425.67 = 257,956.30 : x
  2. Step 2: Convert to fraction form
    461,907.54/637,425.67 = 257,956.30/x
  3. Step 3: Cross multiply
    461,907.54x = 637,425.67 × 257,956.30
  4. Step 4: Simplify right side
    461,907.54x = 164,427,967,358.22
  5. Step 5: Solve for x
    x = 164,427,967,358.22/461,907.54
  6. Step 6: Final answer
    x = 355,975.93

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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.