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Finding the Fourth Proportional to 531,712.92, 733,348.92 and 340,744.08

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Solution

The fourth proportional to 531,712.92, 733,348.92 and 340,744.08 is: 469,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,712.92 : 733,348.92 = 340,744.08 : x
  2. Step 2: Convert to fraction form
    531,712.92/733,348.92 = 340,744.08/x
  3. Step 3: Cross multiply
    531,712.92x = 733,348.92 × 340,744.08
  4. Step 4: Simplify right side
    531,712.92x = 249,884,303,064.39
  5. Step 5: Solve for x
    x = 249,884,303,064.39/531,712.92
  6. Step 6: Final answer
    x = 469,960.94

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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.