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Finding the Fourth Proportional to 761,575.26, 1,051,089.65 and 486,051.99

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Solution

The fourth proportional to 761,575.26, 1,051,089.65 and 486,051.99 is: 670,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,575.26 : 1,051,089.65 = 486,051.99 : x
  2. Step 2: Convert to fraction form
    761,575.26/1,051,089.65 = 486,051.99/x
  3. Step 3: Cross multiply
    761,575.26x = 1,051,089.65 × 486,051.99
  4. Step 4: Simplify right side
    761,575.26x = 510,884,216,050.90
  5. Step 5: Solve for x
    x = 510,884,216,050.90/761,575.26
  6. Step 6: Final answer
    x = 670,825.65

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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.