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Finding the Fourth Proportional to 664,336.04, 916,812.76 and 373,966.32

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Solution

The fourth proportional to 664,336.04, 916,812.76 and 373,966.32 is: 516,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,336.04 : 916,812.76 = 373,966.32 : x
  2. Step 2: Convert to fraction form
    664,336.04/916,812.76 = 373,966.32/x
  3. Step 3: Cross multiply
    664,336.04x = 916,812.76 × 373,966.32
  4. Step 4: Simplify right side
    664,336.04x = 342,857,093,051.33
  5. Step 5: Solve for x
    x = 342,857,093,051.33/664,336.04
  6. Step 6: Final answer
    x = 516,089.86

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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.