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Finding the Fourth Proportional to 511,333.41, 767,000.09 and 156,347.40

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Solution

The fourth proportional to 511,333.41, 767,000.09 and 156,347.40 is: 234,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,333.41 : 767,000.09 = 156,347.40 : x
  2. Step 2: Convert to fraction form
    511,333.41/767,000.09 = 156,347.40/x
  3. Step 3: Cross multiply
    511,333.41x = 767,000.09 × 156,347.40
  4. Step 4: Simplify right side
    511,333.41x = 119,918,465,254.53
  5. Step 5: Solve for x
    x = 119,918,465,254.53/511,333.41
  6. Step 6: Final answer
    x = 234,521.09

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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.