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Finding the Fourth Proportional to 582,647.60, 873,971.40 and 530,116.40

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Solution

The fourth proportional to 582,647.60, 873,971.40 and 530,116.40 is: 795,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,647.60 : 873,971.40 = 530,116.40 : x
  2. Step 2: Convert to fraction form
    582,647.60/873,971.40 = 530,116.40/x
  3. Step 3: Cross multiply
    582,647.60x = 873,971.40 × 530,116.40
  4. Step 4: Simplify right side
    582,647.60x = 463,306,572,270.96
  5. Step 5: Solve for x
    x = 463,306,572,270.96/582,647.60
  6. Step 6: Final answer
    x = 795,174.60

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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.