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Finding the Fourth Proportional to 574,135.07, 859,096.32 and 479,130.72

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Solution

The fourth proportional to 574,135.07, 859,096.32 and 479,130.72 is: 716,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,135.07 : 859,096.32 = 479,130.72 : x
  2. Step 2: Convert to fraction form
    574,135.07/859,096.32 = 479,130.72/x
  3. Step 3: Cross multiply
    574,135.07x = 859,096.32 × 479,130.72
  4. Step 4: Simplify right side
    574,135.07x = 411,619,436,554.21
  5. Step 5: Solve for x
    x = 411,619,436,554.21/574,135.07
  6. Step 6: Final answer
    x = 716,938.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.