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Finding the Fourth Proportional to 473,408.50, 653,308.85 and 258,554.74

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Solution

The fourth proportional to 473,408.50, 653,308.85 and 258,554.74 is: 356,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,408.50 : 653,308.85 = 258,554.74 : x
  2. Step 2: Convert to fraction form
    473,408.50/653,308.85 = 258,554.74/x
  3. Step 3: Cross multiply
    473,408.50x = 653,308.85 × 258,554.74
  4. Step 4: Simplify right side
    473,408.50x = 168,916,099,851.45
  5. Step 5: Solve for x
    x = 168,916,099,851.45/473,408.50
  6. Step 6: Final answer
    x = 356,808.34

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1.5x scale

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.