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Finding the Fourth Proportional to 582,666.60, 873,999.90 and 530,135.40

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Solution

The fourth proportional to 582,666.60, 873,999.90 and 530,135.40 is: 795,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,666.60 : 873,999.90 = 530,135.40 : x
  2. Step 2: Convert to fraction form
    582,666.60/873,999.90 = 530,135.40/x
  3. Step 3: Cross multiply
    582,666.60x = 873,999.90 × 530,135.40
  4. Step 4: Simplify right side
    582,666.60x = 463,338,286,586.46
  5. Step 5: Solve for x
    x = 463,338,286,586.46/582,666.60
  6. Step 6: Final answer
    x = 795,203.10

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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.