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Finding the Fourth Proportional to 507,511.52, 700,049.12 and 326,459.48

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Solution

The fourth proportional to 507,511.52, 700,049.12 and 326,459.48 is: 450,310.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,511.52 : 700,049.12 = 326,459.48 : x
  2. Step 2: Convert to fraction form
    507,511.52/700,049.12 = 326,459.48/x
  3. Step 3: Cross multiply
    507,511.52x = 700,049.12 × 326,459.48
  4. Step 4: Simplify right side
    507,511.52x = 228,537,671,689.66
  5. Step 5: Solve for x
    x = 228,537,671,689.66/507,511.52
  6. Step 6: Final answer
    x = 450,310.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.