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Finding the Fourth Proportional to 670,250.40, 924,922.08 and 368,442.24

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Solution

The fourth proportional to 670,250.40, 924,922.08 and 368,442.24 is: 508,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,250.40 : 924,922.08 = 368,442.24 : x
  2. Step 2: Convert to fraction form
    670,250.40/924,922.08 = 368,442.24/x
  3. Step 3: Cross multiply
    670,250.40x = 924,922.08 × 368,442.24
  4. Step 4: Simplify right side
    670,250.40x = 340,780,362,980.66
  5. Step 5: Solve for x
    x = 340,780,362,980.66/670,250.40
  6. Step 6: Final answer
    x = 508,437.39

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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.