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Finding the Fourth Proportional to 249,604.20, 374,187.60 and 149,658.30

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Solution

The fourth proportional to 249,604.20, 374,187.60 and 149,658.30 is: 224,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,604.20 : 374,187.60 = 149,658.30 : x
  2. Step 2: Convert to fraction form
    249,604.20/374,187.60 = 149,658.30/x
  3. Step 3: Cross multiply
    249,604.20x = 374,187.60 × 149,658.30
  4. Step 4: Simplify right side
    249,604.20x = 56,000,280,097.08
  5. Step 5: Solve for x
    x = 56,000,280,097.08/249,604.20
  6. Step 6: Final answer
    x = 224,356.32

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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.