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Finding the Fourth Proportional to 670,224.88, 924,886.92 and 368,416.72

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Solution

The fourth proportional to 670,224.88, 924,886.92 and 368,416.72 is: 508,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,224.88 : 924,886.92 = 368,416.72 : x
  2. Step 2: Convert to fraction form
    670,224.88/924,886.92 = 368,416.72/x
  3. Step 3: Cross multiply
    670,224.88x = 924,886.92 × 368,416.72
  4. Step 4: Simplify right side
    670,224.88x = 340,743,805,437.30
  5. Step 5: Solve for x
    x = 340,743,805,437.30/670,224.88
  6. Step 6: Final answer
    x = 508,402.20

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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.