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Finding the Fourth Proportional to 592,783.86, 889,178.04 and 143,503.98

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Solution

The fourth proportional to 592,783.86, 889,178.04 and 143,503.98 is: 215,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,783.86 : 889,178.04 = 143,503.98 : x
  2. Step 2: Convert to fraction form
    592,783.86/889,178.04 = 143,503.98/x
  3. Step 3: Cross multiply
    592,783.86x = 889,178.04 × 143,503.98
  4. Step 4: Simplify right side
    592,783.86x = 127,600,587,668.60
  5. Step 5: Solve for x
    x = 127,600,587,668.60/592,783.86
  6. Step 6: Final answer
    x = 215,256.51

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Why These Related Problems?

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