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Finding the Fourth Proportional to 313,266.53, 432,303.36 and 170,022.89

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Solution

The fourth proportional to 313,266.53, 432,303.36 and 170,022.89 is: 234,629.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,266.53 : 432,303.36 = 170,022.89 : x
  2. Step 2: Convert to fraction form
    313,266.53/432,303.36 = 170,022.89/x
  3. Step 3: Cross multiply
    313,266.53x = 432,303.36 × 170,022.89
  4. Step 4: Simplify right side
    313,266.53x = 73,501,466,623.91
  5. Step 5: Solve for x
    x = 73,501,466,623.91/313,266.53
  6. Step 6: Final answer
    x = 234,629.17

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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.