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Finding the Fourth Proportional to 453,157.98, 625,343.69 and 249,208.27

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Solution

The fourth proportional to 453,157.98, 625,343.69 and 249,208.27 is: 343,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,157.98 : 625,343.69 = 249,208.27 : x
  2. Step 2: Convert to fraction form
    453,157.98/625,343.69 = 249,208.27/x
  3. Step 3: Cross multiply
    453,157.98x = 625,343.69 × 249,208.27
  4. Step 4: Simplify right side
    453,157.98x = 155,840,818,199.98
  5. Step 5: Solve for x
    x = 155,840,818,199.98/453,157.98
  6. Step 6: Final answer
    x = 343,899.54

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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.