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Finding the Fourth Proportional to 670,062, 924,685.56 and 368,256

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Solution

The fourth proportional to 670,062, 924,685.56 and 368,256 is: 508,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,062 : 924,685.56 = 368,256 : x
  2. Step 2: Convert to fraction form
    670,062/924,685.56 = 368,256/x
  3. Step 3: Cross multiply
    670,062x = 924,685.56 × 368,256
  4. Step 4: Simplify right side
    670,062x = 340,521,005,583.36
  5. Step 5: Solve for x
    x = 340,521,005,583.36/670,062
  6. Step 6: Final answer
    x = 508,193.28

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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.