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Finding the Fourth Proportional to 333,423.60, 501,301.80 and 326,425.20

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Solution

The fourth proportional to 333,423.60, 501,301.80 and 326,425.20 is: 490,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,423.60 : 501,301.80 = 326,425.20 : x
  2. Step 2: Convert to fraction form
    333,423.60/501,301.80 = 326,425.20/x
  3. Step 3: Cross multiply
    333,423.60x = 501,301.80 × 326,425.20
  4. Step 4: Simplify right side
    333,423.60x = 163,637,540,325.36
  5. Step 5: Solve for x
    x = 163,637,540,325.36/333,423.60
  6. Step 6: Final answer
    x = 490,779.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.