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Finding the Fourth Proportional to 574,983.54, 793,482.48 and 316,869.75

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Solution

The fourth proportional to 574,983.54, 793,482.48 and 316,869.75 is: 437,283.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,983.54 : 793,482.48 = 316,869.75 : x
  2. Step 2: Convert to fraction form
    574,983.54/793,482.48 = 316,869.75/x
  3. Step 3: Cross multiply
    574,983.54x = 793,482.48 × 316,869.75
  4. Step 4: Simplify right side
    574,983.54x = 251,430,595,066.98
  5. Step 5: Solve for x
    x = 251,430,595,066.98/574,983.54
  6. Step 6: Final answer
    x = 437,283.12

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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.