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Finding the Fourth Proportional to 512,526.36, 768,482.82 and 175,454.76

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Solution

The fourth proportional to 512,526.36, 768,482.82 and 175,454.76 is: 263,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,526.36 : 768,482.82 = 175,454.76 : x
  2. Step 2: Convert to fraction form
    512,526.36/768,482.82 = 175,454.76/x
  3. Step 3: Cross multiply
    512,526.36x = 768,482.82 × 175,454.76
  4. Step 4: Simplify right side
    512,526.36x = 134,833,968,747.22
  5. Step 5: Solve for x
    x = 134,833,968,747.22/512,526.36
  6. Step 6: Final answer
    x = 263,077.14

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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.