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Finding the Fourth Proportional to 346,907.94, 478,757.16 and 193,975.92

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Solution

The fourth proportional to 346,907.94, 478,757.16 and 193,975.92 is: 267,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,907.94 : 478,757.16 = 193,975.92 : x
  2. Step 2: Convert to fraction form
    346,907.94/478,757.16 = 193,975.92/x
  3. Step 3: Cross multiply
    346,907.94x = 478,757.16 × 193,975.92
  4. Step 4: Simplify right side
    346,907.94x = 92,867,360,567.59
  5. Step 5: Solve for x
    x = 92,867,360,567.59/346,907.94
  6. Step 6: Final answer
    x = 267,700.30

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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.