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Finding the Fourth Proportional to 313,808.64, 433,037.58 and 170,567.42

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Solution

The fourth proportional to 313,808.64, 433,037.58 and 170,567.42 is: 235,373.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,808.64 : 433,037.58 = 170,567.42 : x
  2. Step 2: Convert to fraction form
    313,808.64/433,037.58 = 170,567.42/x
  3. Step 3: Cross multiply
    313,808.64x = 433,037.58 × 170,567.42
  4. Step 4: Simplify right side
    313,808.64x = 73,862,102,783.64
  5. Step 5: Solve for x
    x = 73,862,102,783.64/313,808.64
  6. Step 6: Final answer
    x = 235,373.07

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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.