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Finding the Fourth Proportional to 673,570.50, 929,528.51 and 371,764.50

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Solution

The fourth proportional to 673,570.50, 929,528.51 and 371,764.50 is: 513,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,570.50 : 929,528.51 = 371,764.50 : x
  2. Step 2: Convert to fraction form
    673,570.50/929,528.51 = 371,764.50/x
  3. Step 3: Cross multiply
    673,570.50x = 929,528.51 × 371,764.50
  4. Step 4: Simplify right side
    673,570.50x = 345,565,699,897.07
  5. Step 5: Solve for x
    x = 345,565,699,897.07/673,570.50
  6. Step 6: Final answer
    x = 513,035.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.