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Finding the Fourth Proportional to 675,250.71, 931,838.43 and 369,335.88

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Solution

The fourth proportional to 675,250.71, 931,838.43 and 369,335.88 is: 509,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,250.71 : 931,838.43 = 369,335.88 : x
  2. Step 2: Convert to fraction form
    675,250.71/931,838.43 = 369,335.88/x
  3. Step 3: Cross multiply
    675,250.71x = 931,838.43 × 369,335.88
  4. Step 4: Simplify right side
    675,250.71x = 344,161,366,561.87
  5. Step 5: Solve for x
    x = 344,161,366,561.87/675,250.71
  6. Step 6: Final answer
    x = 509,679.38

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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.