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Finding the Fourth Proportional to 470,795.88, 704,899.80 and 328,783.08

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Solution

The fourth proportional to 470,795.88, 704,899.80 and 328,783.08 is: 492,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,795.88 : 704,899.80 = 328,783.08 : x
  2. Step 2: Convert to fraction form
    470,795.88/704,899.80 = 328,783.08/x
  3. Step 3: Cross multiply
    470,795.88x = 704,899.80 × 328,783.08
  4. Step 4: Simplify right side
    470,795.88x = 231,759,127,335.38
  5. Step 5: Solve for x
    x = 231,759,127,335.38/470,795.88
  6. Step 6: Final answer
    x = 492,270.93

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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.