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Finding the Fourth Proportional to 593,055.78, 889,575.63 and 143,780.50

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Solution

The fourth proportional to 593,055.78, 889,575.63 and 143,780.50 is: 215,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,055.78 : 889,575.63 = 143,780.50 : x
  2. Step 2: Convert to fraction form
    593,055.78/889,575.63 = 143,780.50/x
  3. Step 3: Cross multiply
    593,055.78x = 889,575.63 × 143,780.50
  4. Step 4: Simplify right side
    593,055.78x = 127,903,628,869.22
  5. Step 5: Solve for x
    x = 127,903,628,869.22/593,055.78
  6. Step 6: Final answer
    x = 215,668.80

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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.