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Finding the Fourth Proportional to 496,461.40, 744,720.90 and 141,501.40

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Solution

The fourth proportional to 496,461.40, 744,720.90 and 141,501.40 is: 212,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,461.40 : 744,720.90 = 141,501.40 : x
  2. Step 2: Convert to fraction form
    496,461.40/744,720.90 = 141,501.40/x
  3. Step 3: Cross multiply
    496,461.40x = 744,720.90 × 141,501.40
  4. Step 4: Simplify right side
    496,461.40x = 105,379,049,959.26
  5. Step 5: Solve for x
    x = 105,379,049,959.26/496,461.40
  6. Step 6: Final answer
    x = 212,260.31

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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.