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Finding the Fourth Proportional to 473,297.36, 653,153.52 and 258,438.92

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Solution

The fourth proportional to 473,297.36, 653,153.52 and 258,438.92 is: 356,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,297.36 : 653,153.52 = 258,438.92 : x
  2. Step 2: Convert to fraction form
    473,297.36/653,153.52 = 258,438.92/x
  3. Step 3: Cross multiply
    473,297.36x = 653,153.52 × 258,438.92
  4. Step 4: Simplify right side
    473,297.36x = 168,800,290,303.00
  5. Step 5: Solve for x
    x = 168,800,290,303.00/473,297.36
  6. Step 6: Final answer
    x = 356,647.44

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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.