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Finding the Fourth Proportional to 326,647.02, 450,779.40 and 183,421.20

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Solution

The fourth proportional to 326,647.02, 450,779.40 and 183,421.20 is: 253,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,647.02 : 450,779.40 = 183,421.20 : x
  2. Step 2: Convert to fraction form
    326,647.02/450,779.40 = 183,421.20/x
  3. Step 3: Cross multiply
    326,647.02x = 450,779.40 × 183,421.20
  4. Step 4: Simplify right side
    326,647.02x = 82,682,498,483.28
  5. Step 5: Solve for x
    x = 82,682,498,483.28/326,647.02
  6. Step 6: Final answer
    x = 253,124.91

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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.