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Finding the Fourth Proportional to 410,179.40, 615,269.10 and 370,813.40

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Solution

The fourth proportional to 410,179.40, 615,269.10 and 370,813.40 is: 556,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,179.40 : 615,269.10 = 370,813.40 : x
  2. Step 2: Convert to fraction form
    410,179.40/615,269.10 = 370,813.40/x
  3. Step 3: Cross multiply
    410,179.40x = 615,269.10 × 370,813.40
  4. Step 4: Simplify right side
    410,179.40x = 228,150,026,885.94
  5. Step 5: Solve for x
    x = 228,150,026,885.94/410,179.40
  6. Step 6: Final answer
    x = 556,220.10

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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.