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Finding the Fourth Proportional to 562,030.36, 775,676.82 and 317,064.94

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Solution

The fourth proportional to 562,030.36, 775,676.82 and 317,064.94 is: 437,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,030.36 : 775,676.82 = 317,064.94 : x
  2. Step 2: Convert to fraction form
    562,030.36/775,676.82 = 317,064.94/x
  3. Step 3: Cross multiply
    562,030.36x = 775,676.82 × 317,064.94
  4. Step 4: Simplify right side
    562,030.36x = 245,939,924,392.69
  5. Step 5: Solve for x
    x = 245,939,924,392.69/562,030.36
  6. Step 6: Final answer
    x = 437,591.88

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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.