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Finding the Fourth Proportional to 507,611.07, 700,821.80 and 326,637.51

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Solution

The fourth proportional to 507,611.07, 700,821.80 and 326,637.51 is: 450,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,611.07 : 700,821.80 = 326,637.51 : x
  2. Step 2: Convert to fraction form
    507,611.07/700,821.80 = 326,637.51/x
  3. Step 3: Cross multiply
    507,611.07x = 700,821.80 × 326,637.51
  4. Step 4: Simplify right side
    507,611.07x = 228,914,686,072.53
  5. Step 5: Solve for x
    x = 228,914,686,072.53/507,611.07
  6. Step 6: Final answer
    x = 450,964.72

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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.