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Finding the Fourth Proportional to 669,608.48, 924,066.38 and 363,690.90

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Solution

The fourth proportional to 669,608.48, 924,066.38 and 363,690.90 is: 501,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,608.48 : 924,066.38 = 363,690.90 : x
  2. Step 2: Convert to fraction form
    669,608.48/924,066.38 = 363,690.90/x
  3. Step 3: Cross multiply
    669,608.48x = 924,066.38 × 363,690.90
  4. Step 4: Simplify right side
    669,608.48x = 336,074,533,401.94
  5. Step 5: Solve for x
    x = 336,074,533,401.94/669,608.48
  6. Step 6: Final answer
    x = 501,897.07

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Double scale
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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.