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Finding the Fourth Proportional to 507,511.27, 700,048.78 and 326,459.23

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Solution

The fourth proportional to 507,511.27, 700,048.78 and 326,459.23 is: 450,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,511.27 : 700,048.78 = 326,459.23 : x
  2. Step 2: Convert to fraction form
    507,511.27/700,048.78 = 326,459.23/x
  3. Step 3: Cross multiply
    507,511.27x = 700,048.78 × 326,459.23
  4. Step 4: Simplify right side
    507,511.27x = 228,537,385,681.24
  5. Step 5: Solve for x
    x = 228,537,385,681.24/507,511.27
  6. Step 6: Final answer
    x = 450,309.97

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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.