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Finding the Fourth Proportional to 437,336.40, 656,004.60 and 406,232.40

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Solution

The fourth proportional to 437,336.40, 656,004.60 and 406,232.40 is: 609,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,336.40 : 656,004.60 = 406,232.40 : x
  2. Step 2: Convert to fraction form
    437,336.40/656,004.60 = 406,232.40/x
  3. Step 3: Cross multiply
    437,336.40x = 656,004.60 × 406,232.40
  4. Step 4: Simplify right side
    437,336.40x = 266,490,323,069.04
  5. Step 5: Solve for x
    x = 266,490,323,069.04/437,336.40
  6. Step 6: Final answer
    x = 609,348.60

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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.