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Finding the Fourth Proportional to 473,539.40, 653,498.43 and 258,683.03

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Solution

The fourth proportional to 473,539.40, 653,498.43 and 258,683.03 is: 356,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,539.40 : 653,498.43 = 258,683.03 : x
  2. Step 2: Convert to fraction form
    473,539.40/653,498.43 = 258,683.03/x
  3. Step 3: Cross multiply
    473,539.40x = 653,498.43 × 258,683.03
  4. Step 4: Simplify right side
    473,539.40x = 169,048,953,972.64
  5. Step 5: Solve for x
    x = 169,048,953,972.64/473,539.40
  6. Step 6: Final answer
    x = 356,990.26

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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.