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Finding the Fourth Proportional to 669,667.65, 924,152.54 and 363,744.62

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Solution

The fourth proportional to 669,667.65, 924,152.54 and 363,744.62 is: 501,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,667.65 : 924,152.54 = 363,744.62 : x
  2. Step 2: Convert to fraction form
    669,667.65/924,152.54 = 363,744.62/x
  3. Step 3: Cross multiply
    669,667.65x = 924,152.54 × 363,744.62
  4. Step 4: Simplify right side
    669,667.65x = 336,155,518,754.84
  5. Step 5: Solve for x
    x = 336,155,518,754.84/669,667.65
  6. Step 6: Final answer
    x = 501,973.65

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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.