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Finding the Fourth Proportional to 589,042.80, 880,939.80 and 494,564.40

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Solution

The fourth proportional to 589,042.80, 880,939.80 and 494,564.40 is: 739,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,042.80 : 880,939.80 = 494,564.40 : x
  2. Step 2: Convert to fraction form
    589,042.80/880,939.80 = 494,564.40/x
  3. Step 3: Cross multiply
    589,042.80x = 880,939.80 × 494,564.40
  4. Step 4: Simplify right side
    589,042.80x = 435,681,463,623.12
  5. Step 5: Solve for x
    x = 435,681,463,623.12/589,042.80
  6. Step 6: Final answer
    x = 739,643.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.