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Finding the Fourth Proportional to 567,958.38, 783,756.18 and 326,070.72

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Solution

The fourth proportional to 567,958.38, 783,756.18 and 326,070.72 is: 449,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,958.38 : 783,756.18 = 326,070.72 : x
  2. Step 2: Convert to fraction form
    567,958.38/783,756.18 = 326,070.72/x
  3. Step 3: Cross multiply
    567,958.38x = 783,756.18 × 326,070.72
  4. Step 4: Simplify right side
    567,958.38x = 255,559,941,917.05
  5. Step 5: Solve for x
    x = 255,559,941,917.05/567,958.38
  6. Step 6: Final answer
    x = 449,962.45

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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.