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Finding the Fourth Proportional to 571,667.04, 788,896.08 and 317,018.88

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Solution

The fourth proportional to 571,667.04, 788,896.08 and 317,018.88 is: 437,483.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,667.04 : 788,896.08 = 317,018.88 : x
  2. Step 2: Convert to fraction form
    571,667.04/788,896.08 = 317,018.88/x
  3. Step 3: Cross multiply
    571,667.04x = 788,896.08 × 317,018.88
  4. Step 4: Simplify right side
    571,667.04x = 250,094,951,717.99
  5. Step 5: Solve for x
    x = 250,094,951,717.99/571,667.04
  6. Step 6: Final answer
    x = 437,483.59

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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.