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Finding the Fourth Proportional to 437,032.40, 655,087.80 and 249,640.40

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Solution

The fourth proportional to 437,032.40, 655,087.80 and 249,640.40 is: 374,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,032.40 : 655,087.80 = 249,640.40 : x
  2. Step 2: Convert to fraction form
    437,032.40/655,087.80 = 249,640.40/x
  3. Step 3: Cross multiply
    437,032.40x = 655,087.80 × 249,640.40
  4. Step 4: Simplify right side
    437,032.40x = 163,536,380,427.12
  5. Step 5: Solve for x
    x = 163,536,380,427.12/437,032.40
  6. Step 6: Final answer
    x = 374,197.38

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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.