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Finding the Fourth Proportional to 458,302.10, 687,453.15 and 333,886.10

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Solution

The fourth proportional to 458,302.10, 687,453.15 and 333,886.10 is: 500,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,302.10 : 687,453.15 = 333,886.10 : x
  2. Step 2: Convert to fraction form
    458,302.10/687,453.15 = 333,886.10/x
  3. Step 3: Cross multiply
    458,302.10x = 687,453.15 × 333,886.10
  4. Step 4: Simplify right side
    458,302.10x = 229,531,051,186.22
  5. Step 5: Solve for x
    x = 229,531,051,186.22/458,302.10
  6. Step 6: Final answer
    x = 500,829.15

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Double scale
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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.