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Finding the Fourth Proportional to 669,987.39, 924,571.02 and 364,068.60

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Solution

The fourth proportional to 669,987.39, 924,571.02 and 364,068.60 is: 502,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,987.39 : 924,571.02 = 364,068.60 : x
  2. Step 2: Convert to fraction form
    669,987.39/924,571.02 = 364,068.60/x
  3. Step 3: Cross multiply
    669,987.39x = 924,571.02 × 364,068.60
  4. Step 4: Simplify right side
    669,987.39x = 336,607,276,851.97
  5. Step 5: Solve for x
    x = 336,607,276,851.97/669,987.39
  6. Step 6: Final answer
    x = 502,408.38

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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.