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Finding the Fourth Proportional to 459,042.40, 688,563.60 and 441,546.40

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Solution

The fourth proportional to 459,042.40, 688,563.60 and 441,546.40 is: 662,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,042.40 : 688,563.60 = 441,546.40 : x
  2. Step 2: Convert to fraction form
    459,042.40/688,563.60 = 441,546.40/x
  3. Step 3: Cross multiply
    459,042.40x = 688,563.60 × 441,546.40
  4. Step 4: Simplify right side
    459,042.40x = 304,032,778,751.04
  5. Step 5: Solve for x
    x = 304,032,778,751.04/459,042.40
  6. Step 6: Final answer
    x = 662,319.60

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Similar ratio
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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.