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Finding the Fourth Proportional to 459,350.40, 689,025.60 and 437,577.60

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Solution

The fourth proportional to 459,350.40, 689,025.60 and 437,577.60 is: 656,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,350.40 : 689,025.60 = 437,577.60 : x
  2. Step 2: Convert to fraction form
    459,350.40/689,025.60 = 437,577.60/x
  3. Step 3: Cross multiply
    459,350.40x = 689,025.60 × 437,577.60
  4. Step 4: Simplify right side
    459,350.40x = 301,502,168,386.56
  5. Step 5: Solve for x
    x = 301,502,168,386.56/459,350.40
  6. Step 6: Final answer
    x = 656,366.40

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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.