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Finding the Fourth Proportional to 669,346.64, 923,706.30 and 363,426.68

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Solution

The fourth proportional to 669,346.64, 923,706.30 and 363,426.68 is: 501,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,346.64 : 923,706.30 = 363,426.68 : x
  2. Step 2: Convert to fraction form
    669,346.64/923,706.30 = 363,426.68/x
  3. Step 3: Cross multiply
    669,346.64x = 923,706.30 × 363,426.68
  4. Step 4: Simplify right side
    669,346.64x = 335,699,513,904.08
  5. Step 5: Solve for x
    x = 335,699,513,904.08/669,346.64
  6. Step 6: Final answer
    x = 501,533.13

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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.