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Finding the Fourth Proportional to 468,684.35, 646,300.68 and 400,925.62

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Solution

The fourth proportional to 468,684.35, 646,300.68 and 400,925.62 is: 552,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,684.35 : 646,300.68 = 400,925.62 : x
  2. Step 2: Convert to fraction form
    468,684.35/646,300.68 = 400,925.62/x
  3. Step 3: Cross multiply
    468,684.35x = 646,300.68 × 400,925.62
  4. Step 4: Simplify right side
    468,684.35x = 259,118,500,835.42
  5. Step 5: Solve for x
    x = 259,118,500,835.42/468,684.35
  6. Step 6: Final answer
    x = 552,863.57

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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.