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Finding the Fourth Proportional to 383,853.60, 575,780.40 and 373,485.60

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Solution

The fourth proportional to 383,853.60, 575,780.40 and 373,485.60 is: 560,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,853.60 : 575,780.40 = 373,485.60 : x
  2. Step 2: Convert to fraction form
    383,853.60/575,780.40 = 373,485.60/x
  3. Step 3: Cross multiply
    383,853.60x = 575,780.40 × 373,485.60
  4. Step 4: Simplify right side
    383,853.60x = 215,045,688,162.24
  5. Step 5: Solve for x
    x = 215,045,688,162.24/383,853.60
  6. Step 6: Final answer
    x = 560,228.40

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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.