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Finding the Fourth Proportional to 860,628, 1,187,666.64 and 502,932

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Solution

The fourth proportional to 860,628, 1,187,666.64 and 502,932 is: 694,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,628 : 1,187,666.64 = 502,932 : x
  2. Step 2: Convert to fraction form
    860,628/1,187,666.64 = 502,932/x
  3. Step 3: Cross multiply
    860,628x = 1,187,666.64 × 502,932
  4. Step 4: Simplify right side
    860,628x = 597,315,558,588.48
  5. Step 5: Solve for x
    x = 597,315,558,588.48/860,628
  6. Step 6: Final answer
    x = 694,046.16

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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.