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Finding the Fourth Proportional to 463,900.40, 695,332.20 and 264,316.40

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Solution

The fourth proportional to 463,900.40, 695,332.20 and 264,316.40 is: 396,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,900.40 : 695,332.20 = 264,316.40 : x
  2. Step 2: Convert to fraction form
    463,900.40/695,332.20 = 264,316.40/x
  3. Step 3: Cross multiply
    463,900.40x = 695,332.20 × 264,316.40
  4. Step 4: Simplify right side
    463,900.40x = 183,787,703,908.08
  5. Step 5: Solve for x
    x = 183,787,703,908.08/463,900.40
  6. Step 6: Final answer
    x = 396,179.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.