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Finding the Fourth Proportional to 480,706.20, 663,347.54 and 262,871.64

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Solution

The fourth proportional to 480,706.20, 663,347.54 and 262,871.64 is: 362,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,706.20 : 663,347.54 = 262,871.64 : x
  2. Step 2: Convert to fraction form
    480,706.20/663,347.54 = 262,871.64/x
  3. Step 3: Cross multiply
    480,706.20x = 663,347.54 × 262,871.64
  4. Step 4: Simplify right side
    480,706.20x = 174,375,254,415.41
  5. Step 5: Solve for x
    x = 174,375,254,415.41/480,706.20
  6. Step 6: Final answer
    x = 362,748.09

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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.