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Finding the Fourth Proportional to 245,420.89, 367,909.88 and 170,576.28

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Solution

The fourth proportional to 245,420.89, 367,909.88 and 170,576.28 is: 255,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,420.89 : 367,909.88 = 170,576.28 : x
  2. Step 2: Convert to fraction form
    245,420.89/367,909.88 = 170,576.28/x
  3. Step 3: Cross multiply
    245,420.89x = 367,909.88 × 170,576.28
  4. Step 4: Simplify right side
    245,420.89x = 62,756,697,852.77
  5. Step 5: Solve for x
    x = 62,756,697,852.77/245,420.89
  6. Step 6: Final answer
    x = 255,710.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.