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Finding the Fourth Proportional to 346,287.80, 477,877.90 and 195,384.92

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Solution

The fourth proportional to 346,287.80, 477,877.90 and 195,384.92 is: 269,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,287.80 : 477,877.90 = 195,384.92 : x
  2. Step 2: Convert to fraction form
    346,287.80/477,877.90 = 195,384.92/x
  3. Step 3: Cross multiply
    346,287.80x = 477,877.90 × 195,384.92
  4. Step 4: Simplify right side
    346,287.80x = 93,370,135,261.27
  5. Step 5: Solve for x
    x = 93,370,135,261.27/346,287.80
  6. Step 6: Final answer
    x = 269,631.60

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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.