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Finding the Fourth Proportional to 473,379.30, 653,268.65 and 258,525.70

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Solution

The fourth proportional to 473,379.30, 653,268.65 and 258,525.70 is: 356,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,379.30 : 653,268.65 = 258,525.70 : x
  2. Step 2: Convert to fraction form
    473,379.30/653,268.65 = 258,525.70/x
  3. Step 3: Cross multiply
    473,379.30x = 653,268.65 × 258,525.70
  4. Step 4: Simplify right side
    473,379.30x = 168,886,732,103.51
  5. Step 5: Solve for x
    x = 168,886,732,103.51/473,379.30
  6. Step 6: Final answer
    x = 356,768.31

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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.