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Finding the Fourth Proportional to 594,072.28, 891,341.70 and 261,415

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Solution

The fourth proportional to 594,072.28, 891,341.70 and 261,415 is: 392,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,072.28 : 891,341.70 = 261,415 : x
  2. Step 2: Convert to fraction form
    594,072.28/891,341.70 = 261,415/x
  3. Step 3: Cross multiply
    594,072.28x = 891,341.70 × 261,415
  4. Step 4: Simplify right side
    594,072.28x = 233,010,090,505.50
  5. Step 5: Solve for x
    x = 233,010,090,505.50/594,072.28
  6. Step 6: Final answer
    x = 392,225.15

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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.