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Finding the Fourth Proportional to 482,925.34, 666,439.58 and 301,742.38

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Solution

The fourth proportional to 482,925.34, 666,439.58 and 301,742.38 is: 416,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,925.34 : 666,439.58 = 301,742.38 : x
  2. Step 2: Convert to fraction form
    482,925.34/666,439.58 = 301,742.38/x
  3. Step 3: Cross multiply
    482,925.34x = 666,439.58 × 301,742.38
  4. Step 4: Simplify right side
    482,925.34x = 201,093,060,154.49
  5. Step 5: Solve for x
    x = 201,093,060,154.49/482,925.34
  6. Step 6: Final answer
    x = 416,406.11

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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.