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Finding the Fourth Proportional to 450,555, 675,307.62 and 250,779.84

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Solution

The fourth proportional to 450,555, 675,307.62 and 250,779.84 is: 375,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,555 : 675,307.62 = 250,779.84 : x
  2. Step 2: Convert to fraction form
    450,555/675,307.62 = 250,779.84/x
  3. Step 3: Cross multiply
    450,555x = 675,307.62 × 250,779.84
  4. Step 4: Simplify right side
    450,555x = 169,353,536,894.38
  5. Step 5: Solve for x
    x = 169,353,536,894.38/450,555
  6. Step 6: Final answer
    x = 375,877.61

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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.