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Finding the Fourth Proportional to 545,874.67, 753,310.03 and 316,567.91

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Solution

The fourth proportional to 545,874.67, 753,310.03 and 316,567.91 is: 436,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,874.67 : 753,310.03 = 316,567.91 : x
  2. Step 2: Convert to fraction form
    545,874.67/753,310.03 = 316,567.91/x
  3. Step 3: Cross multiply
    545,874.67x = 753,310.03 × 316,567.91
  4. Step 4: Simplify right side
    545,874.67x = 238,473,781,779.14
  5. Step 5: Solve for x
    x = 238,473,781,779.14/545,874.67
  6. Step 6: Final answer
    x = 436,865.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.