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Finding the Fourth Proportional to 630,343.86, 945,690.76 and 350,057.94

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Solution

The fourth proportional to 630,343.86, 945,690.76 and 350,057.94 is: 525,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,343.86 : 945,690.76 = 350,057.94 : x
  2. Step 2: Convert to fraction form
    630,343.86/945,690.76 = 350,057.94/x
  3. Step 3: Cross multiply
    630,343.86x = 945,690.76 × 350,057.94
  4. Step 4: Simplify right side
    630,343.86x = 331,046,559,322.63
  5. Step 5: Solve for x
    x = 331,046,559,322.63/630,343.86
  6. Step 6: Final answer
    x = 525,184.08

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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.