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Finding the Fourth Proportional to 562,316.34, 775,977.27 and 320,676.71

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Solution

The fourth proportional to 562,316.34, 775,977.27 and 320,676.71 is: 442,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,316.34 : 775,977.27 = 320,676.71 : x
  2. Step 2: Convert to fraction form
    562,316.34/775,977.27 = 320,676.71/x
  3. Step 3: Cross multiply
    562,316.34x = 775,977.27 × 320,676.71
  4. Step 4: Simplify right side
    562,316.34x = 248,837,832,895.96
  5. Step 5: Solve for x
    x = 248,837,832,895.96/562,316.34
  6. Step 6: Final answer
    x = 442,522.85

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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.