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Finding the Fourth Proportional to 245,536.40, 367,429.80 and 170,303.60

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Solution

The fourth proportional to 245,536.40, 367,429.80 and 170,303.60 is: 254,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,536.40 : 367,429.80 = 170,303.60 : x
  2. Step 2: Convert to fraction form
    245,536.40/367,429.80 = 170,303.60/x
  3. Step 3: Cross multiply
    245,536.40x = 367,429.80 × 170,303.60
  4. Step 4: Simplify right side
    245,536.40x = 62,574,617,687.28
  5. Step 5: Solve for x
    x = 62,574,617,687.28/245,536.40
  6. Step 6: Final answer
    x = 254,848.64

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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.