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Finding the Fourth Proportional to 453,022, 625,170.80 and 249,076.40

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Solution

The fourth proportional to 453,022, 625,170.80 and 249,076.40 is: 343,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,022 : 625,170.80 = 249,076.40 : x
  2. Step 2: Convert to fraction form
    453,022/625,170.80 = 249,076.40/x
  3. Step 3: Cross multiply
    453,022x = 625,170.80 × 249,076.40
  4. Step 4: Simplify right side
    453,022x = 155,715,292,249.12
  5. Step 5: Solve for x
    x = 155,715,292,249.12/453,022
  6. Step 6: Final answer
    x = 343,725.67

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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.