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Finding the Fourth Proportional to 453,308.40, 679,962.60 and 335,210.40

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Solution

The fourth proportional to 453,308.40, 679,962.60 and 335,210.40 is: 502,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,308.40 : 679,962.60 = 335,210.40 : x
  2. Step 2: Convert to fraction form
    453,308.40/679,962.60 = 335,210.40/x
  3. Step 3: Cross multiply
    453,308.40x = 679,962.60 × 335,210.40
  4. Step 4: Simplify right side
    453,308.40x = 227,930,535,131.04
  5. Step 5: Solve for x
    x = 227,930,535,131.04/453,308.40
  6. Step 6: Final answer
    x = 502,815.60

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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.