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Finding the Fourth Proportional to 669,898.30, 924,460.76 and 363,975.88

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Solution

The fourth proportional to 669,898.30, 924,460.76 and 363,975.88 is: 502,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,898.30 : 924,460.76 = 363,975.88 : x
  2. Step 2: Convert to fraction form
    669,898.30/924,460.76 = 363,975.88/x
  3. Step 3: Cross multiply
    669,898.30x = 924,460.76 × 363,975.88
  4. Step 4: Simplify right side
    669,898.30x = 336,481,418,646.47
  5. Step 5: Solve for x
    x = 336,481,418,646.47/669,898.30
  6. Step 6: Final answer
    x = 502,287.32

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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.