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Finding the Fourth Proportional to 669,961.20, 924,549.90 and 364,038.36

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Solution

The fourth proportional to 669,961.20, 924,549.90 and 364,038.36 is: 502,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,961.20 : 924,549.90 = 364,038.36 : x
  2. Step 2: Convert to fraction form
    669,961.20/924,549.90 = 364,038.36/x
  3. Step 3: Cross multiply
    669,961.20x = 924,549.90 × 364,038.36
  4. Step 4: Simplify right side
    669,961.20x = 336,571,629,334.16
  5. Step 5: Solve for x
    x = 336,571,629,334.16/669,961.20
  6. Step 6: Final answer
    x = 502,374.81

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1.5x scale

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.