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Finding the Fourth Proportional to 346,504.80, 519,368.40 and 196,816.80

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Solution

The fourth proportional to 346,504.80, 519,368.40 and 196,816.80 is: 295,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,504.80 : 519,368.40 = 196,816.80 : x
  2. Step 2: Convert to fraction form
    346,504.80/519,368.40 = 196,816.80/x
  3. Step 3: Cross multiply
    346,504.80x = 519,368.40 × 196,816.80
  4. Step 4: Simplify right side
    346,504.80x = 102,220,426,509.12
  5. Step 5: Solve for x
    x = 102,220,426,509.12/346,504.80
  6. Step 6: Final answer
    x = 295,004.36

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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.