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Finding the Fourth Proportional to 669,856.52, 924,412.48 and 363,938.96

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Solution

The fourth proportional to 669,856.52, 924,412.48 and 363,938.96 is: 502,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,856.52 : 924,412.48 = 363,938.96 : x
  2. Step 2: Convert to fraction form
    669,856.52/924,412.48 = 363,938.96/x
  3. Step 3: Cross multiply
    669,856.52x = 924,412.48 × 363,938.96
  4. Step 4: Simplify right side
    669,856.52x = 336,429,716,582.22
  5. Step 5: Solve for x
    x = 336,429,716,582.22/669,856.52
  6. Step 6: Final answer
    x = 502,241.46

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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.