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Finding the Fourth Proportional to 615,989.56, 849,596.91 and 530,093.08

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Solution

The fourth proportional to 615,989.56, 849,596.91 and 530,093.08 is: 731,125.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,989.56 : 849,596.91 = 530,093.08 : x
  2. Step 2: Convert to fraction form
    615,989.56/849,596.91 = 530,093.08/x
  3. Step 3: Cross multiply
    615,989.56x = 849,596.91 × 530,093.08
  4. Step 4: Simplify right side
    615,989.56x = 450,365,442,780.38
  5. Step 5: Solve for x
    x = 450,365,442,780.38/615,989.56
  6. Step 6: Final answer
    x = 731,125.12

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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.