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Finding the Fourth Proportional to 297,857.70, 411,051.42 and 170,574.30

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Solution

The fourth proportional to 297,857.70, 411,051.42 and 170,574.30 is: 235,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,857.70 : 411,051.42 = 170,574.30 : x
  2. Step 2: Convert to fraction form
    297,857.70/411,051.42 = 170,574.30/x
  3. Step 3: Cross multiply
    297,857.70x = 411,051.42 × 170,574.30
  4. Step 4: Simplify right side
    297,857.70x = 70,114,808,230.51
  5. Step 5: Solve for x
    x = 70,114,808,230.51/297,857.70
  6. Step 6: Final answer
    x = 235,397.00

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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.