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Finding the Fourth Proportional to 329,814.80, 463,140.40 and 329,814.80

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Solution

The fourth proportional to 329,814.80, 463,140.40 and 329,814.80 is: 463,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,814.80 : 463,140.40 = 329,814.80 : x
  2. Step 2: Convert to fraction form
    329,814.80/463,140.40 = 329,814.80/x
  3. Step 3: Cross multiply
    329,814.80x = 463,140.40 × 329,814.80
  4. Step 4: Simplify right side
    329,814.80x = 152,750,558,397.92
  5. Step 5: Solve for x
    x = 152,750,558,397.92/329,814.80
  6. Step 6: Final answer
    x = 463,140.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.