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Finding the Fourth Proportional to 738,955.94, 1,019,770.54 and 432,959.09

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Solution

The fourth proportional to 738,955.94, 1,019,770.54 and 432,959.09 is: 597,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,955.94 : 1,019,770.54 = 432,959.09 : x
  2. Step 2: Convert to fraction form
    738,955.94/1,019,770.54 = 432,959.09/x
  3. Step 3: Cross multiply
    738,955.94x = 1,019,770.54 × 432,959.09
  4. Step 4: Simplify right side
    738,955.94x = 441,518,918,825.96
  5. Step 5: Solve for x
    x = 441,518,918,825.96/738,955.94
  6. Step 6: Final answer
    x = 597,490.19

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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.