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Finding the Fourth Proportional to 653,779.14, 978,841.64 and 353,182.82

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Solution

The fourth proportional to 653,779.14, 978,841.64 and 353,182.82 is: 528,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,779.14 : 978,841.64 = 353,182.82 : x
  2. Step 2: Convert to fraction form
    653,779.14/978,841.64 = 353,182.82/x
  3. Step 3: Cross multiply
    653,779.14x = 978,841.64 × 353,182.82
  4. Step 4: Simplify right side
    653,779.14x = 345,710,050,748.63
  5. Step 5: Solve for x
    x = 345,710,050,748.63/653,779.14
  6. Step 6: Final answer
    x = 528,787.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.