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Finding the Fourth Proportional to 531,707.17, 733,340.99 and 340,738.33

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Solution

The fourth proportional to 531,707.17, 733,340.99 and 340,738.33 is: 469,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,707.17 : 733,340.99 = 340,738.33 : x
  2. Step 2: Convert to fraction form
    531,707.17/733,340.99 = 340,738.33/x
  3. Step 3: Cross multiply
    531,707.17x = 733,340.99 × 340,738.33
  4. Step 4: Simplify right side
    531,707.17x = 249,877,382,549.46
  5. Step 5: Solve for x
    x = 249,877,382,549.46/531,707.17
  6. Step 6: Final answer
    x = 469,953.01

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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.