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Finding the Fourth Proportional to 468,653.20, 702,979.80 and 450,282.40

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Solution

The fourth proportional to 468,653.20, 702,979.80 and 450,282.40 is: 675,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,653.20 : 702,979.80 = 450,282.40 : x
  2. Step 2: Convert to fraction form
    468,653.20/702,979.80 = 450,282.40/x
  3. Step 3: Cross multiply
    468,653.20x = 702,979.80 × 450,282.40
  4. Step 4: Simplify right side
    468,653.20x = 316,539,431,495.52
  5. Step 5: Solve for x
    x = 316,539,431,495.52/468,653.20
  6. Step 6: Final answer
    x = 675,423.60

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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.