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Finding the Fourth Proportional to 669,797.12, 924,316.34 and 363,871.10

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Solution

The fourth proportional to 669,797.12, 924,316.34 and 363,871.10 is: 502,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,797.12 : 924,316.34 = 363,871.10 : x
  2. Step 2: Convert to fraction form
    669,797.12/924,316.34 = 363,871.10/x
  3. Step 3: Cross multiply
    669,797.12x = 924,316.34 × 363,871.10
  4. Step 4: Simplify right side
    669,797.12x = 336,332,003,383.77
  5. Step 5: Solve for x
    x = 336,332,003,383.77/669,797.12
  6. Step 6: Final answer
    x = 502,140.12

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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.