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Finding the Fourth Proportional to 610,495.62, 842,483.96 and 338,605.16

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Solution

The fourth proportional to 610,495.62, 842,483.96 and 338,605.16 is: 467,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,495.62 : 842,483.96 = 338,605.16 : x
  2. Step 2: Convert to fraction form
    610,495.62/842,483.96 = 338,605.16/x
  3. Step 3: Cross multiply
    610,495.62x = 842,483.96 × 338,605.16
  4. Step 4: Simplify right side
    610,495.62x = 285,269,416,073.23
  5. Step 5: Solve for x
    x = 285,269,416,073.23/610,495.62
  6. Step 6: Final answer
    x = 467,275.12

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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.