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Finding the Fourth Proportional to 649,076.40, 973,153.80 and 249,562.80

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Solution

The fourth proportional to 649,076.40, 973,153.80 and 249,562.80 is: 374,167.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,076.40 : 973,153.80 = 249,562.80 : x
  2. Step 2: Convert to fraction form
    649,076.40/973,153.80 = 249,562.80/x
  3. Step 3: Cross multiply
    649,076.40x = 973,153.80 × 249,562.80
  4. Step 4: Simplify right side
    649,076.40x = 242,862,987,158.64
  5. Step 5: Solve for x
    x = 242,862,987,158.64/649,076.40
  6. Step 6: Final answer
    x = 374,167.03

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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.