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Finding the Fourth Proportional to 616,809.64, 850,936.62 and 412,926.22

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Solution

The fourth proportional to 616,809.64, 850,936.62 and 412,926.22 is: 569,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,809.64 : 850,936.62 = 412,926.22 : x
  2. Step 2: Convert to fraction form
    616,809.64/850,936.62 = 412,926.22/x
  3. Step 3: Cross multiply
    616,809.64x = 850,936.62 × 412,926.22
  4. Step 4: Simplify right side
    616,809.64x = 351,374,041,956.18
  5. Step 5: Solve for x
    x = 351,374,041,956.18/616,809.64
  6. Step 6: Final answer
    x = 569,663.67

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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.