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Finding the Fourth Proportional to 352,809.04, 486,880.64 and 191,666.64

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Solution

The fourth proportional to 352,809.04, 486,880.64 and 191,666.64 is: 264,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,809.04 : 486,880.64 = 191,666.64 : x
  2. Step 2: Convert to fraction form
    352,809.04/486,880.64 = 191,666.64/x
  3. Step 3: Cross multiply
    352,809.04x = 486,880.64 × 191,666.64
  4. Step 4: Simplify right side
    352,809.04x = 93,318,776,349.85
  5. Step 5: Solve for x
    x = 93,318,776,349.85/352,809.04
  6. Step 6: Final answer
    x = 264,502.23

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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.