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Finding the Fourth Proportional to 353,624.69, 488,012.45 and 192,490.25

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Solution

The fourth proportional to 353,624.69, 488,012.45 and 192,490.25 is: 265,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,624.69 : 488,012.45 = 192,490.25 : x
  2. Step 2: Convert to fraction form
    353,624.69/488,012.45 = 192,490.25/x
  3. Step 3: Cross multiply
    353,624.69x = 488,012.45 × 192,490.25
  4. Step 4: Simplify right side
    353,624.69x = 93,937,637,541.16
  5. Step 5: Solve for x
    x = 93,937,637,541.16/353,624.69
  6. Step 6: Final answer
    x = 265,642.19

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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.