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Finding the Fourth Proportional to 572,900.04, 790,607.46 and 314,782.38

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Solution

The fourth proportional to 572,900.04, 790,607.46 and 314,782.38 is: 434,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,900.04 : 790,607.46 = 314,782.38 : x
  2. Step 2: Convert to fraction form
    572,900.04/790,607.46 = 314,782.38/x
  3. Step 3: Cross multiply
    572,900.04x = 790,607.46 × 314,782.38
  4. Step 4: Simplify right side
    572,900.04x = 248,869,297,904.56
  5. Step 5: Solve for x
    x = 248,869,297,904.56/572,900.04
  6. Step 6: Final answer
    x = 434,402.65

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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.