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Finding the Fourth Proportional to 573,002.40, 859,676.40 and 306,890.40

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Solution

The fourth proportional to 573,002.40, 859,676.40 and 306,890.40 is: 460,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,002.40 : 859,676.40 = 306,890.40 : x
  2. Step 2: Convert to fraction form
    573,002.40/859,676.40 = 306,890.40/x
  3. Step 3: Cross multiply
    573,002.40x = 859,676.40 × 306,890.40
  4. Step 4: Simplify right side
    573,002.40x = 263,826,434,266.56
  5. Step 5: Solve for x
    x = 263,826,434,266.56/573,002.40
  6. Step 6: Final answer
    x = 460,428.15

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1.5x scale

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.