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Finding the Fourth Proportional to 669,848.58, 924,401.53 and 363,931.02

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Solution

The fourth proportional to 669,848.58, 924,401.53 and 363,931.02 is: 502,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,848.58 : 924,401.53 = 363,931.02 : x
  2. Step 2: Convert to fraction form
    669,848.58/924,401.53 = 363,931.02/x
  3. Step 3: Cross multiply
    669,848.58x = 924,401.53 × 363,931.02
  4. Step 4: Simplify right side
    669,848.58x = 336,418,392,157.37
  5. Step 5: Solve for x
    x = 336,418,392,157.37/669,848.58
  6. Step 6: Final answer
    x = 502,230.51

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Double scale
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Similar ratio
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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.