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Finding the Fourth Proportional to 530,412.30, 794,452.05 and 460,428.30

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Solution

The fourth proportional to 530,412.30, 794,452.05 and 460,428.30 is: 689,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,412.30 : 794,452.05 = 460,428.30 : x
  2. Step 2: Convert to fraction form
    530,412.30/794,452.05 = 460,428.30/x
  3. Step 3: Cross multiply
    530,412.30x = 794,452.05 × 460,428.30
  4. Step 4: Simplify right side
    530,412.30x = 365,788,206,813.02
  5. Step 5: Solve for x
    x = 365,788,206,813.02/530,412.30
  6. Step 6: Final answer
    x = 689,629.95

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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.