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Finding the Fourth Proportional to 353,646.84, 488,038.86 and 192,506.52

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Solution

The fourth proportional to 353,646.84, 488,038.86 and 192,506.52 is: 265,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,646.84 : 488,038.86 = 192,506.52 : x
  2. Step 2: Convert to fraction form
    353,646.84/488,038.86 = 192,506.52/x
  3. Step 3: Cross multiply
    353,646.84x = 488,038.86 × 192,506.52
  4. Step 4: Simplify right side
    353,646.84x = 93,950,662,563.37
  5. Step 5: Solve for x
    x = 93,950,662,563.37/353,646.84
  6. Step 6: Final answer
    x = 265,662.38

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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.