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Finding the Fourth Proportional to 536,585.68, 740,450.94 and 321,618.16

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Solution

The fourth proportional to 536,585.68, 740,450.94 and 321,618.16 is: 443,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,585.68 : 740,450.94 = 321,618.16 : x
  2. Step 2: Convert to fraction form
    536,585.68/740,450.94 = 321,618.16/x
  3. Step 3: Cross multiply
    536,585.68x = 740,450.94 × 321,618.16
  4. Step 4: Simplify right side
    536,585.68x = 238,142,468,893.07
  5. Step 5: Solve for x
    x = 238,142,468,893.07/536,585.68
  6. Step 6: Final answer
    x = 443,810.70

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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.