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Finding the Fourth Proportional to 473,487.75, 653,409.23 and 258,627.87

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Solution

The fourth proportional to 473,487.75, 653,409.23 and 258,627.87 is: 356,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,487.75 : 653,409.23 = 258,627.87 : x
  2. Step 2: Convert to fraction form
    473,487.75/653,409.23 = 258,627.87/x
  3. Step 3: Cross multiply
    473,487.75x = 653,409.23 × 258,627.87
  4. Step 4: Simplify right side
    473,487.75x = 168,989,836,100.10
  5. Step 5: Solve for x
    x = 168,989,836,100.10/473,487.75
  6. Step 6: Final answer
    x = 356,904.35

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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.