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Finding the Fourth Proportional to 710,438.37, 1,064,739 and 531,541.77

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Solution

The fourth proportional to 710,438.37, 1,064,739 and 531,541.77 is: 796,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,438.37 : 1,064,739 = 531,541.77 : x
  2. Step 2: Convert to fraction form
    710,438.37/1,064,739 = 531,541.77/x
  3. Step 3: Cross multiply
    710,438.37x = 1,064,739 × 531,541.77
  4. Step 4: Simplify right side
    710,438.37x = 565,953,252,648.03
  5. Step 5: Solve for x
    x = 565,953,252,648.03/710,438.37
  6. Step 6: Final answer
    x = 796,625.40

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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.