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Finding the Fourth Proportional to 670,244.88, 924,914.52 and 368,436.72

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Solution

The fourth proportional to 670,244.88, 924,914.52 and 368,436.72 is: 508,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,244.88 : 924,914.52 = 368,436.72 : x
  2. Step 2: Convert to fraction form
    670,244.88/924,914.52 = 368,436.72/x
  3. Step 3: Cross multiply
    670,244.88x = 924,914.52 × 368,436.72
  4. Step 4: Simplify right side
    670,244.88x = 340,772,472,029.17
  5. Step 5: Solve for x
    x = 340,772,472,029.17/670,244.88
  6. Step 6: Final answer
    x = 508,429.80

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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.