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Finding the Fourth Proportional to 581,605.40, 872,148.90 and 226,501.40

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Solution

The fourth proportional to 581,605.40, 872,148.90 and 226,501.40 is: 339,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,605.40 : 872,148.90 = 226,501.40 : x
  2. Step 2: Convert to fraction form
    581,605.40/872,148.90 = 226,501.40/x
  3. Step 3: Cross multiply
    581,605.40x = 872,148.90 × 226,501.40
  4. Step 4: Simplify right side
    581,605.40x = 197,542,946,858.46
  5. Step 5: Solve for x
    x = 197,542,946,858.46/581,605.40
  6. Step 6: Final answer
    x = 339,651.16

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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.