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Finding the Fourth Proportional to 1,061,928, 1,465,460.64 and 585,000

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Solution

The fourth proportional to 1,061,928, 1,465,460.64 and 585,000 is: 807,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,928 : 1,465,460.64 = 585,000 : x
  2. Step 2: Convert to fraction form
    1,061,928/1,465,460.64 = 585,000/x
  3. Step 3: Cross multiply
    1,061,928x = 1,465,460.64 × 585,000
  4. Step 4: Simplify right side
    1,061,928x = 857,294,474,400
  5. Step 5: Solve for x
    x = 857,294,474,400/1,061,928
  6. Step 6: Final answer
    x = 807,300

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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.